Home / 776,613,932.17-1,164,925,253.12-259,042,951.78

Finding the Fourth Proportional to 776,613,932.17, 1,164,925,253.12 and 259,042,951.78

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Solution

The fourth proportional to 776,613,932.17, 1,164,925,253.12 and 259,042,951.78 is: 388,565,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,613,932.17 : 1,164,925,253.12 = 259,042,951.78 : x
  2. Step 2: Convert to fraction form
    776,613,932.17/1,164,925,253.12 = 259,042,951.78/x
  3. Step 3: Cross multiply
    776,613,932.17x = 1,164,925,253.12 × 259,042,951.78
  4. Step 4: Simplify right side
    776,613,932.17x = 301,765,676,171,268,416
  5. Step 5: Solve for x
    x = 301,765,676,171,268,416/776,613,932.17
  6. Step 6: Final answer
    x = 388,565,880.25

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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.