Home / 398,974,139.23-597,942,041.76-162,347,841.25

Finding the Fourth Proportional to 398,974,139.23, 597,942,041.76 and 162,347,841.25

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Solution

The fourth proportional to 398,974,139.23, 597,942,041.76 and 162,347,841.25 is: 243,310,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,974,139.23 : 597,942,041.76 = 162,347,841.25 : x
  2. Step 2: Convert to fraction form
    398,974,139.23/597,942,041.76 = 162,347,841.25/x
  3. Step 3: Cross multiply
    398,974,139.23x = 597,942,041.76 × 162,347,841.25
  4. Step 4: Simplify right side
    398,974,139.23x = 97,074,599,672,353,344
  5. Step 5: Solve for x
    x = 97,074,599,672,353,344/398,974,139.23
  6. Step 6: Final answer
    x = 243,310,505.94

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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.