Home / 457,779,278.92-631,752,017.94-262,246,782.28

Finding the Fourth Proportional to 457,779,278.92, 631,752,017.94 and 262,246,782.28

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Solution

The fourth proportional to 457,779,278.92, 631,752,017.94 and 262,246,782.28 is: 361,910,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,779,278.92 : 631,752,017.94 = 262,246,782.28 : x
  2. Step 2: Convert to fraction form
    457,779,278.92/631,752,017.94 = 262,246,782.28/x
  3. Step 3: Cross multiply
    457,779,278.92x = 631,752,017.94 × 262,246,782.28
  4. Step 4: Simplify right side
    457,779,278.92x = 165,674,933,903,661,856
  5. Step 5: Solve for x
    x = 165,674,933,903,661,856/457,779,278.92
  6. Step 6: Final answer
    x = 361,910,076.61

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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.