Home / 351,420,046.40-527,130,069.60-260,720,782.40

Finding the Fourth Proportional to 351,420,046.40, 527,130,069.60 and 260,720,782.40

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Solution

The fourth proportional to 351,420,046.40, 527,130,069.60 and 260,720,782.40 is: 391,081,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,420,046.40 : 527,130,069.60 = 260,720,782.40 : x
  2. Step 2: Convert to fraction form
    351,420,046.40/527,130,069.60 = 260,720,782.40/x
  3. Step 3: Cross multiply
    351,420,046.40x = 527,130,069.60 × 260,720,782.40
  4. Step 4: Simplify right side
    351,420,046.40x = 137,433,764,172,678,464
  5. Step 5: Solve for x
    x = 137,433,764,172,678,464/351,420,046.40
  6. Step 6: Final answer
    x = 391,081,173.60

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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.