Home / 521,108,210.50-781,687,455.62-171,346,534.92

Finding the Fourth Proportional to 521,108,210.50, 781,687,455.62 and 171,346,534.92

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Solution

The fourth proportional to 521,108,210.50, 781,687,455.62 and 171,346,534.92 is: 257,028,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,108,210.50 : 781,687,455.62 = 171,346,534.92 : x
  2. Step 2: Convert to fraction form
    521,108,210.50/781,687,455.62 = 171,346,534.92/x
  3. Step 3: Cross multiply
    521,108,210.50x = 781,687,455.62 × 171,346,534.92
  4. Step 4: Simplify right side
    521,108,210.50x = 133,939,436,910,061,536
  5. Step 5: Solve for x
    x = 133,939,436,910,061,536/521,108,210.50
  6. Step 6: Final answer
    x = 257,028,068.67

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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.