Home / 742,566,380.46-1,024,681,614.75-429,320,781.24

Finding the Fourth Proportional to 742,566,380.46, 1,024,681,614.75 and 429,320,781.24

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Solution

The fourth proportional to 742,566,380.46, 1,024,681,614.75 and 429,320,781.24 is: 592,427,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,566,380.46 : 1,024,681,614.75 = 429,320,781.24 : x
  2. Step 2: Convert to fraction form
    742,566,380.46/1,024,681,614.75 = 429,320,781.24/x
  3. Step 3: Cross multiply
    742,566,380.46x = 1,024,681,614.75 × 429,320,781.24
  4. Step 4: Simplify right side
    742,566,380.46x = 439,917,111,366,734,720
  5. Step 5: Solve for x
    x = 439,917,111,366,734,720/742,566,380.46
  6. Step 6: Final answer
    x = 592,427,994.24

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1.5x scale

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.