Home / 527,456,135.25-727,889,473.13-295,669,127.25

Finding the Fourth Proportional to 527,456,135.25, 727,889,473.13 and 295,669,127.25

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Solution

The fourth proportional to 527,456,135.25, 727,889,473.13 and 295,669,127.25 is: 408,023,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,456,135.25 : 727,889,473.13 = 295,669,127.25 : x
  2. Step 2: Convert to fraction form
    527,456,135.25/727,889,473.13 = 295,669,127.25/x
  3. Step 3: Cross multiply
    527,456,135.25x = 727,889,473.13 × 295,669,127.25
  4. Step 4: Simplify right side
    527,456,135.25x = 215,214,445,253,331,072
  5. Step 5: Solve for x
    x = 215,214,445,253,331,072/527,456,135.25
  6. Step 6: Final answer
    x = 408,023,399.24

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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.