Home / 386,017,023.60-578,969,548.20-113,359,359.60

Finding the Fourth Proportional to 386,017,023.60, 578,969,548.20 and 113,359,359.60

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Solution

The fourth proportional to 386,017,023.60, 578,969,548.20 and 113,359,359.60 is: 170,022,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,017,023.60 : 578,969,548.20 = 113,359,359.60 : x
  2. Step 2: Convert to fraction form
    386,017,023.60/578,969,548.20 = 113,359,359.60/x
  3. Step 3: Cross multiply
    386,017,023.60x = 578,969,548.20 × 113,359,359.60
  4. Step 4: Simplify right side
    386,017,023.60x = 65,631,617,211,853,336
  5. Step 5: Solve for x
    x = 65,631,617,211,853,336/386,017,023.60
  6. Step 6: Final answer
    x = 170,022,597.97

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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.