Home / 538,466,941.60-807,700,412.40-280,186,615.60

Finding the Fourth Proportional to 538,466,941.60, 807,700,412.40 and 280,186,615.60

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Solution

The fourth proportional to 538,466,941.60, 807,700,412.40 and 280,186,615.60 is: 420,279,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,466,941.60 : 807,700,412.40 = 280,186,615.60 : x
  2. Step 2: Convert to fraction form
    538,466,941.60/807,700,412.40 = 280,186,615.60/x
  3. Step 3: Cross multiply
    538,466,941.60x = 807,700,412.40 × 280,186,615.60
  4. Step 4: Simplify right side
    538,466,941.60x = 226,306,844,969,080,288
  5. Step 5: Solve for x
    x = 226,306,844,969,080,288/538,466,941.60
  6. Step 6: Final answer
    x = 420,279,923.40

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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.