Home / 517,106,016.80-775,659,025.20-415,069,344.80

Finding the Fourth Proportional to 517,106,016.80, 775,659,025.20 and 415,069,344.80

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Solution

The fourth proportional to 517,106,016.80, 775,659,025.20 and 415,069,344.80 is: 622,604,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,106,016.80 : 775,659,025.20 = 415,069,344.80 : x
  2. Step 2: Convert to fraction form
    517,106,016.80/775,659,025.20 = 415,069,344.80/x
  3. Step 3: Cross multiply
    517,106,016.80x = 775,659,025.20 × 415,069,344.80
  4. Step 4: Simplify right side
    517,106,016.80x = 321,952,283,377,970,688
  5. Step 5: Solve for x
    x = 321,952,283,377,970,688/517,106,016.80
  6. Step 6: Final answer
    x = 622,604,017.20

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Similar ratio
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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.