Home / 520,592,896.28-780,948,600.24-188,756,179.16

Finding the Fourth Proportional to 520,592,896.28, 780,948,600.24 and 188,756,179.16

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Solution

The fourth proportional to 520,592,896.28, 780,948,600.24 and 188,756,179.16 is: 283,155,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,592,896.28 : 780,948,600.24 = 188,756,179.16 : x
  2. Step 2: Convert to fraction form
    520,592,896.28/780,948,600.24 = 188,756,179.16/x
  3. Step 3: Cross multiply
    520,592,896.28x = 780,948,600.24 × 188,756,179.16
  4. Step 4: Simplify right side
    520,592,896.28x = 147,408,873,897,747,904
  5. Step 5: Solve for x
    x = 147,408,873,897,747,904/520,592,896.28
  6. Step 6: Final answer
    x = 283,155,753.67

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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.