Home / 503,787,330.60-756,016,919.10-285,437,250.60

Finding the Fourth Proportional to 503,787,330.60, 756,016,919.10 and 285,437,250.60

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Solution

The fourth proportional to 503,787,330.60, 756,016,919.10 and 285,437,250.60 is: 428,346,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,787,330.60 : 756,016,919.10 = 285,437,250.60 : x
  2. Step 2: Convert to fraction form
    503,787,330.60/756,016,919.10 = 285,437,250.60/x
  3. Step 3: Cross multiply
    503,787,330.60x = 756,016,919.10 × 285,437,250.60
  4. Step 4: Simplify right side
    503,787,330.60x = 215,795,390,794,986,656
  5. Step 5: Solve for x
    x = 215,795,390,794,986,656/503,787,330.60
  6. Step 6: Final answer
    x = 428,346,204.22

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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.