Home / 384,335,861.50-576,384,559.41-138,660,559.46

Finding the Fourth Proportional to 384,335,861.50, 576,384,559.41 and 138,660,559.46

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Solution

The fourth proportional to 384,335,861.50, 576,384,559.41 and 138,660,559.46 is: 207,947,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,335,861.50 : 576,384,559.41 = 138,660,559.46 : x
  2. Step 2: Convert to fraction form
    384,335,861.50/576,384,559.41 = 138,660,559.46/x
  3. Step 3: Cross multiply
    384,335,861.50x = 576,384,559.41 × 138,660,559.46
  4. Step 4: Simplify right side
    384,335,861.50x = 79,921,805,470,915,056
  5. Step 5: Solve for x
    x = 79,921,805,470,915,056/384,335,861.50
  6. Step 6: Final answer
    x = 207,947,822.40

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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.