Home / 1,299,887,092.12-1,949,761,966.30-426,373,398.04

Finding the Fourth Proportional to 1,299,887,092.12, 1,949,761,966.30 and 426,373,398.04

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Solution

The fourth proportional to 1,299,887,092.12, 1,949,761,966.30 and 426,373,398.04 is: 639,537,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,887,092.12 : 1,949,761,966.30 = 426,373,398.04 : x
  2. Step 2: Convert to fraction form
    1,299,887,092.12/1,949,761,966.30 = 426,373,398.04/x
  3. Step 3: Cross multiply
    1,299,887,092.12x = 1,949,761,966.30 × 426,373,398.04
  4. Step 4: Simplify right side
    1,299,887,092.12x = 831,326,634,940,482,944
  5. Step 5: Solve for x
    x = 831,326,634,940,482,944/1,299,887,092.12
  6. Step 6: Final answer
    x = 639,537,572.13

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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.