Home / 520,986,493.55-781,313,823.57-171,151,357.46

Finding the Fourth Proportional to 520,986,493.55, 781,313,823.57 and 171,151,357.46

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Solution

The fourth proportional to 520,986,493.55, 781,313,823.57 and 171,151,357.46 is: 256,672,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,986,493.55 : 781,313,823.57 = 171,151,357.46 : x
  2. Step 2: Convert to fraction form
    520,986,493.55/781,313,823.57 = 171,151,357.46/x
  3. Step 3: Cross multiply
    520,986,493.55x = 781,313,823.57 × 171,151,357.46
  4. Step 4: Simplify right side
    520,986,493.55x = 133,722,921,503,005,424
  5. Step 5: Solve for x
    x = 133,722,921,503,005,424/520,986,493.55
  6. Step 6: Final answer
    x = 256,672,530.21

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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.