Home / 497,901,359.50-687,413,966.42-316,950,440.04

Finding the Fourth Proportional to 497,901,359.50, 687,413,966.42 and 316,950,440.04

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Solution

The fourth proportional to 497,901,359.50, 687,413,966.42 and 316,950,440.04 is: 437,589,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,901,359.50 : 687,413,966.42 = 316,950,440.04 : x
  2. Step 2: Convert to fraction form
    497,901,359.50/687,413,966.42 = 316,950,440.04/x
  3. Step 3: Cross multiply
    497,901,359.50x = 687,413,966.42 × 316,950,440.04
  4. Step 4: Simplify right side
    497,901,359.50x = 217,876,159,144,742,240
  5. Step 5: Solve for x
    x = 217,876,159,144,742,240/497,901,359.50
  6. Step 6: Final answer
    x = 437,589,002.29

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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.