Home / 527,456,128.50-727,889,463.81-295,669,120.50

Finding the Fourth Proportional to 527,456,128.50, 727,889,463.81 and 295,669,120.50

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Solution

The fourth proportional to 527,456,128.50, 727,889,463.81 and 295,669,120.50 is: 408,023,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,456,128.50 : 727,889,463.81 = 295,669,120.50 : x
  2. Step 2: Convert to fraction form
    527,456,128.50/727,889,463.81 = 295,669,120.50/x
  3. Step 3: Cross multiply
    527,456,128.50x = 727,889,463.81 × 295,669,120.50
  4. Step 4: Simplify right side
    527,456,128.50x = 215,214,437,585,919,264
  5. Step 5: Solve for x
    x = 215,214,437,585,919,264/527,456,128.50
  6. Step 6: Final answer
    x = 408,023,389.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.