Home / 836,881,347.20-1,255,322,020.80-262,451,753.60

Finding the Fourth Proportional to 836,881,347.20, 1,255,322,020.80 and 262,451,753.60

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Solution

The fourth proportional to 836,881,347.20, 1,255,322,020.80 and 262,451,753.60 is: 393,677,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,881,347.20 : 1,255,322,020.80 = 262,451,753.60 : x
  2. Step 2: Convert to fraction form
    836,881,347.20/1,255,322,020.80 = 262,451,753.60/x
  3. Step 3: Cross multiply
    836,881,347.20x = 1,255,322,020.80 × 262,451,753.60
  4. Step 4: Simplify right side
    836,881,347.20x = 329,461,465,691,655,680
  5. Step 5: Solve for x
    x = 329,461,465,691,655,680/836,881,347.20
  6. Step 6: Final answer
    x = 393,677,630.40

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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.