Home / 347,723,442.30-521,585,163.45-156,620,466.30

Finding the Fourth Proportional to 347,723,442.30, 521,585,163.45 and 156,620,466.30

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Solution

The fourth proportional to 347,723,442.30, 521,585,163.45 and 156,620,466.30 is: 234,930,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,723,442.30 : 521,585,163.45 = 156,620,466.30 : x
  2. Step 2: Convert to fraction form
    347,723,442.30/521,585,163.45 = 156,620,466.30/x
  3. Step 3: Cross multiply
    347,723,442.30x = 521,585,163.45 × 156,620,466.30
  4. Step 4: Simplify right side
    347,723,442.30x = 81,690,911,514,700,720
  5. Step 5: Solve for x
    x = 81,690,911,514,700,720/347,723,442.30
  6. Step 6: Final answer
    x = 234,930,699.45

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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.