Home / 560,819,979.23-840,478,016.84-436,472,756.73

Finding the Fourth Proportional to 560,819,979.23, 840,478,016.84 and 436,472,756.73

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Solution

The fourth proportional to 560,819,979.23, 840,478,016.84 and 436,472,756.73 is: 654,123,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,819,979.23 : 840,478,016.84 = 436,472,756.73 : x
  2. Step 2: Convert to fraction form
    560,819,979.23/840,478,016.84 = 436,472,756.73/x
  3. Step 3: Cross multiply
    560,819,979.23x = 840,478,016.84 × 436,472,756.73
  4. Step 4: Simplify right side
    560,819,979.23x = 366,845,756,978,935,808
  5. Step 5: Solve for x
    x = 366,845,756,978,935,808/560,819,979.23
  6. Step 6: Final answer
    x = 654,123,908.86

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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.