Home / 347,736,620.30-521,604,930.45-156,633,644.30

Finding the Fourth Proportional to 347,736,620.30, 521,604,930.45 and 156,633,644.30

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Solution

The fourth proportional to 347,736,620.30, 521,604,930.45 and 156,633,644.30 is: 234,950,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,620.30 : 521,604,930.45 = 156,633,644.30 : x
  2. Step 2: Convert to fraction form
    347,736,620.30/521,604,930.45 = 156,633,644.30/x
  3. Step 3: Cross multiply
    347,736,620.30x = 521,604,930.45 × 156,633,644.30
  4. Step 4: Simplify right side
    347,736,620.30x = 81,700,881,141,231,536
  5. Step 5: Solve for x
    x = 81,700,881,141,231,536/347,736,620.30
  6. Step 6: Final answer
    x = 234,950,466.45

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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.