Home / 367,439,724.20-551,159,586.30-212,471,528.60

Finding the Fourth Proportional to 367,439,724.20, 551,159,586.30 and 212,471,528.60

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Solution

The fourth proportional to 367,439,724.20, 551,159,586.30 and 212,471,528.60 is: 318,707,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,439,724.20 : 551,159,586.30 = 212,471,528.60 : x
  2. Step 2: Convert to fraction form
    367,439,724.20/551,159,586.30 = 212,471,528.60/x
  3. Step 3: Cross multiply
    367,439,724.20x = 551,159,586.30 × 212,471,528.60
  4. Step 4: Simplify right side
    367,439,724.20x = 117,105,719,803,704,608
  5. Step 5: Solve for x
    x = 117,105,719,803,704,608/367,439,724.20
  6. Step 6: Final answer
    x = 318,707,292.90

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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.