Home / 1,660,101,472,853.90-2,490,152,209,280.80-990,087,869,833.10

Finding the Fourth Proportional to 1,660,101,472,853.90, 2,490,152,209,280.80 and 990,087,869,833.10

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Solution

The fourth proportional to 1,660,101,472,853.90, 2,490,152,209,280.80 and 990,087,869,833.10 is: 1,485,131,804,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,101,472,853.90 : 2,490,152,209,280.80 = 990,087,869,833.10 : x
  2. Step 2: Convert to fraction form
    1,660,101,472,853.90/2,490,152,209,280.80 = 990,087,869,833.10/x
  3. Step 3: Cross multiply
    1,660,101,472,853.90x = 2,490,152,209,280.80 × 990,087,869,833.10
  4. Step 4: Simplify right side
    1,660,101,472,853.90x = 2,465,469,496,447,014,602,276,864
  5. Step 5: Solve for x
    x = 2,465,469,496,447,014,602,276,864/1,660,101,472,853.90
  6. Step 6: Final answer
    x = 1,485,131,804,749.62

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Double scale
Find fourth proportional to 1,660,101,472,854.90, 2,490,152,209,282.30 and 990,087,869,834.10
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.