Home / 747,340,524.68-1,031,361,256.15-429,801,018.66

Finding the Fourth Proportional to 747,340,524.68, 1,031,361,256.15 and 429,801,018.66

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Solution

The fourth proportional to 747,340,524.68, 1,031,361,256.15 and 429,801,018.66 is: 593,143,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,524.68 : 1,031,361,256.15 = 429,801,018.66 : x
  2. Step 2: Convert to fraction form
    747,340,524.68/1,031,361,256.15 = 429,801,018.66/x
  3. Step 3: Cross multiply
    747,340,524.68x = 1,031,361,256.15 × 429,801,018.66
  4. Step 4: Simplify right side
    747,340,524.68x = 443,280,118,498,652,736
  5. Step 5: Solve for x
    x = 443,280,118,498,652,736/747,340,524.68
  6. Step 6: Final answer
    x = 593,143,425.07

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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.