Home / 388,932,908.20-583,034,408.70-146,758,546.60

Finding the Fourth Proportional to 388,932,908.20, 583,034,408.70 and 146,758,546.60

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Solution

The fourth proportional to 388,932,908.20, 583,034,408.70 and 146,758,546.60 is: 220,000,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,932,908.20 : 583,034,408.70 = 146,758,546.60 : x
  2. Step 2: Convert to fraction form
    388,932,908.20/583,034,408.70 = 146,758,546.60/x
  3. Step 3: Cross multiply
    388,932,908.20x = 583,034,408.70 × 146,758,546.60
  4. Step 4: Simplify right side
    388,932,908.20x = 85,565,282,438,602,400
  5. Step 5: Solve for x
    x = 85,565,282,438,602,400/388,932,908.20
  6. Step 6: Final answer
    x = 220,000,109.62

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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.