Home / 577,761,108.12-797,311,874.61-313,443,101.16

Finding the Fourth Proportional to 577,761,108.12, 797,311,874.61 and 313,443,101.16

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Solution

The fourth proportional to 577,761,108.12, 797,311,874.61 and 313,443,101.16 is: 432,552,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,761,108.12 : 797,311,874.61 = 313,443,101.16 : x
  2. Step 2: Convert to fraction form
    577,761,108.12/797,311,874.61 = 313,443,101.16/x
  3. Step 3: Cross multiply
    577,761,108.12x = 797,311,874.61 × 313,443,101.16
  4. Step 4: Simplify right side
    577,761,108.12x = 249,911,906,569,451,488
  5. Step 5: Solve for x
    x = 249,911,906,569,451,488/577,761,108.12
  6. Step 6: Final answer
    x = 432,552,318.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.