Home / 432,572,715.52-648,898,964.40-141,441,331.36

Finding the Fourth Proportional to 432,572,715.52, 648,898,964.40 and 141,441,331.36

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Solution

The fourth proportional to 432,572,715.52, 648,898,964.40 and 141,441,331.36 is: 212,175,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,572,715.52 : 648,898,964.40 = 141,441,331.36 : x
  2. Step 2: Convert to fraction form
    432,572,715.52/648,898,964.40 = 141,441,331.36/x
  3. Step 3: Cross multiply
    432,572,715.52x = 648,898,964.40 × 141,441,331.36
  4. Step 4: Simplify right side
    432,572,715.52x = 91,781,133,442,861,248
  5. Step 5: Solve for x
    x = 91,781,133,442,861,248/432,572,715.52
  6. Step 6: Final answer
    x = 212,175,040.52

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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.