Home / 457,779,279.92-631,752,019.32-262,246,783.28

Finding the Fourth Proportional to 457,779,279.92, 631,752,019.32 and 262,246,783.28

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Solution

The fourth proportional to 457,779,279.92, 631,752,019.32 and 262,246,783.28 is: 361,910,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,779,279.92 : 631,752,019.32 = 262,246,783.28 : x
  2. Step 2: Convert to fraction form
    457,779,279.92/631,752,019.32 = 262,246,783.28/x
  3. Step 3: Cross multiply
    457,779,279.92x = 631,752,019.32 × 262,246,783.28
  4. Step 4: Simplify right side
    457,779,279.92x = 165,674,934,897,314,432
  5. Step 5: Solve for x
    x = 165,674,934,897,314,432/457,779,279.92
  6. Step 6: Final answer
    x = 361,910,077.99

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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.