Home / 786,319,488,002.40-1,179,479,232,003.60-764,279,566,850.40

Finding the Fourth Proportional to 786,319,488,002.40, 1,179,479,232,003.60 and 764,279,566,850.40

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Solution

The fourth proportional to 786,319,488,002.40, 1,179,479,232,003.60 and 764,279,566,850.40 is: 1,146,419,350,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,319,488,002.40 : 1,179,479,232,003.60 = 764,279,566,850.40 : x
  2. Step 2: Convert to fraction form
    786,319,488,002.40/1,179,479,232,003.60 = 764,279,566,850.40/x
  3. Step 3: Cross multiply
    786,319,488,002.40x = 1,179,479,232,003.60 × 764,279,566,850.40
  4. Step 4: Simplify right side
    786,319,488,002.40x = 901,451,876,544,753,963,106,304
  5. Step 5: Solve for x
    x = 901,451,876,544,753,963,106,304/786,319,488,002.40
  6. Step 6: Final answer
    x = 1,146,419,350,275.60

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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.