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Finding the Fourth Proportional to 633,251,510.82, 949,996,592.60 and 239,896,154.45

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Solution

The fourth proportional to 633,251,510.82, 949,996,592.60 and 239,896,154.45 is: 359,889,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,251,510.82 : 949,996,592.60 = 239,896,154.45 : x
  2. Step 2: Convert to fraction form
    633,251,510.82/949,996,592.60 = 239,896,154.45/x
  3. Step 3: Cross multiply
    633,251,510.82x = 949,996,592.60 × 239,896,154.45
  4. Step 4: Simplify right side
    633,251,510.82x = 227,900,529,306,518,816
  5. Step 5: Solve for x
    x = 227,900,529,306,518,816/633,251,510.82
  6. Step 6: Final answer
    x = 359,889,436.37

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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.