Home / 1,123,589,204.85-1,684,965,750.08-386,452,204.05

Finding the Fourth Proportional to 1,123,589,204.85, 1,684,965,750.08 and 386,452,204.05

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Solution

The fourth proportional to 1,123,589,204.85, 1,684,965,750.08 and 386,452,204.05 is: 579,534,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,589,204.85 : 1,684,965,750.08 = 386,452,204.05 : x
  2. Step 2: Convert to fraction form
    1,123,589,204.85/1,684,965,750.08 = 386,452,204.05/x
  3. Step 3: Cross multiply
    1,123,589,204.85x = 1,684,965,750.08 × 386,452,204.05
  4. Step 4: Simplify right side
    1,123,589,204.85x = 651,158,727,865,245,184
  5. Step 5: Solve for x
    x = 651,158,727,865,245,184/1,123,589,204.85
  6. Step 6: Final answer
    x = 579,534,517.65

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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.