Home / 731,142,915.36-1,008,977,148.24-413,596,377.12

Finding the Fourth Proportional to 731,142,915.36, 1,008,977,148.24 and 413,596,377.12

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Solution

The fourth proportional to 731,142,915.36, 1,008,977,148.24 and 413,596,377.12 is: 570,762,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,142,915.36 : 1,008,977,148.24 = 413,596,377.12 : x
  2. Step 2: Convert to fraction form
    731,142,915.36/1,008,977,148.24 = 413,596,377.12/x
  3. Step 3: Cross multiply
    731,142,915.36x = 1,008,977,148.24 × 413,596,377.12
  4. Step 4: Simplify right side
    731,142,915.36x = 417,309,293,108,933,184
  5. Step 5: Solve for x
    x = 417,309,293,108,933,184/731,142,915.36
  6. Step 6: Final answer
    x = 570,762,958.02

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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.