Home / 1,660,101,472,862.40-2,490,152,209,293.60-990,087,869,841.60

Finding the Fourth Proportional to 1,660,101,472,862.40, 2,490,152,209,293.60 and 990,087,869,841.60

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Solution

The fourth proportional to 1,660,101,472,862.40, 2,490,152,209,293.60 and 990,087,869,841.60 is: 1,485,131,804,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,101,472,862.40 : 2,490,152,209,293.60 = 990,087,869,841.60 : x
  2. Step 2: Convert to fraction form
    1,660,101,472,862.40/2,490,152,209,293.60 = 990,087,869,841.60/x
  3. Step 3: Cross multiply
    1,660,101,472,862.40x = 2,490,152,209,293.60 × 990,087,869,841.60
  4. Step 4: Simplify right side
    1,660,101,472,862.40x = 2,465,469,496,480,854,649,602,048
  5. Step 5: Solve for x
    x = 2,465,469,496,480,854,649,602,048/1,660,101,472,862.40
  6. Step 6: Final answer
    x = 1,485,131,804,762.40

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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.