Home / 552,918,251.28-829,501,083.36-207,874,868.16

Finding the Fourth Proportional to 552,918,251.28, 829,501,083.36 and 207,874,868.16

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Solution

The fourth proportional to 552,918,251.28, 829,501,083.36 and 207,874,868.16 is: 311,858,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,918,251.28 : 829,501,083.36 = 207,874,868.16 : x
  2. Step 2: Convert to fraction form
    552,918,251.28/829,501,083.36 = 207,874,868.16/x
  3. Step 3: Cross multiply
    552,918,251.28x = 829,501,083.36 × 207,874,868.16
  4. Step 4: Simplify right side
    552,918,251.28x = 172,432,428,342,037,184
  5. Step 5: Solve for x
    x = 172,432,428,342,037,184/552,918,251.28
  6. Step 6: Final answer
    x = 311,858,810.85

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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.