Home / 1,660,101,472,860.90-2,490,152,209,291.30-990,087,869,840.10

Finding the Fourth Proportional to 1,660,101,472,860.90, 2,490,152,209,291.30 and 990,087,869,840.10

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Solution

The fourth proportional to 1,660,101,472,860.90, 2,490,152,209,291.30 and 990,087,869,840.10 is: 1,485,131,804,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,101,472,860.90 : 2,490,152,209,291.30 = 990,087,869,840.10 : x
  2. Step 2: Convert to fraction form
    1,660,101,472,860.90/2,490,152,209,291.30 = 990,087,869,840.10/x
  3. Step 3: Cross multiply
    1,660,101,472,860.90x = 2,490,152,209,291.30 × 990,087,869,840.10
  4. Step 4: Simplify right side
    1,660,101,472,860.90x = 2,465,469,496,474,841,695,387,648
  5. Step 5: Solve for x
    x = 2,465,469,496,474,841,695,387,648/1,660,101,472,860.90
  6. Step 6: Final answer
    x = 1,485,131,804,760.12

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Double scale
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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.