Home / 521,184,454.70-781,909,008.65-241,267,172.72

Finding the Fourth Proportional to 521,184,454.70, 781,909,008.65 and 241,267,172.72

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Solution

The fourth proportional to 521,184,454.70, 781,909,008.65 and 241,267,172.72 is: 361,962,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,184,454.70 : 781,909,008.65 = 241,267,172.72 : x
  2. Step 2: Convert to fraction form
    521,184,454.70/781,909,008.65 = 241,267,172.72/x
  3. Step 3: Cross multiply
    521,184,454.70x = 781,909,008.65 × 241,267,172.72
  4. Step 4: Simplify right side
    521,184,454.70x = 188,648,975,841,283,520
  5. Step 5: Solve for x
    x = 188,648,975,841,283,520/521,184,454.70
  6. Step 6: Final answer
    x = 361,962,015.83

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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.