Home / 457,779,277.92-631,752,016.56-262,246,781.28

Finding the Fourth Proportional to 457,779,277.92, 631,752,016.56 and 262,246,781.28

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Solution

The fourth proportional to 457,779,277.92, 631,752,016.56 and 262,246,781.28 is: 361,910,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,779,277.92 : 631,752,016.56 = 262,246,781.28 : x
  2. Step 2: Convert to fraction form
    457,779,277.92/631,752,016.56 = 262,246,781.28/x
  3. Step 3: Cross multiply
    457,779,277.92x = 631,752,016.56 × 262,246,781.28
  4. Step 4: Simplify right side
    457,779,277.92x = 165,674,932,910,009,248
  5. Step 5: Solve for x
    x = 165,674,932,910,009,248/457,779,277.92
  6. Step 6: Final answer
    x = 361,910,075.23

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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.