Home / 747,340,489.55-1,031,361,207.59-429,800,983.38

Finding the Fourth Proportional to 747,340,489.55, 1,031,361,207.59 and 429,800,983.38

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Solution

The fourth proportional to 747,340,489.55, 1,031,361,207.59 and 429,800,983.38 is: 593,143,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,489.55 : 1,031,361,207.59 = 429,800,983.38 : x
  2. Step 2: Convert to fraction form
    747,340,489.55/1,031,361,207.59 = 429,800,983.38/x
  3. Step 3: Cross multiply
    747,340,489.55x = 1,031,361,207.59 × 429,800,983.38
  4. Step 4: Simplify right side
    747,340,489.55x = 443,280,061,242,166,336
  5. Step 5: Solve for x
    x = 443,280,061,242,166,336/747,340,489.55
  6. Step 6: Final answer
    x = 593,143,376.33

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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.