Home / 323,515,234.60-485,272,851.90-291,266,607.40

Finding the Fourth Proportional to 323,515,234.60, 485,272,851.90 and 291,266,607.40

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Solution

The fourth proportional to 323,515,234.60, 485,272,851.90 and 291,266,607.40 is: 436,899,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,515,234.60 : 485,272,851.90 = 291,266,607.40 : x
  2. Step 2: Convert to fraction form
    323,515,234.60/485,272,851.90 = 291,266,607.40/x
  3. Step 3: Cross multiply
    323,515,234.60x = 485,272,851.90 × 291,266,607.40
  4. Step 4: Simplify right side
    323,515,234.60x = 141,343,777,236,235,632
  5. Step 5: Solve for x
    x = 141,343,777,236,235,632/323,515,234.60
  6. Step 6: Final answer
    x = 436,899,911.10

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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.