Home / 413,704,614.30-620,556,921.45-291,260,607.90

Finding the Fourth Proportional to 413,704,614.30, 620,556,921.45 and 291,260,607.90

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Solution

The fourth proportional to 413,704,614.30, 620,556,921.45 and 291,260,607.90 is: 436,890,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,704,614.30 : 620,556,921.45 = 291,260,607.90 : x
  2. Step 2: Convert to fraction form
    413,704,614.30/620,556,921.45 = 291,260,607.90/x
  3. Step 3: Cross multiply
    413,704,614.30x = 620,556,921.45 × 291,260,607.90
  4. Step 4: Simplify right side
    413,704,614.30x = 180,743,786,178,079,552
  5. Step 5: Solve for x
    x = 180,743,786,178,079,552/413,704,614.30
  6. Step 6: Final answer
    x = 436,890,911.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.