Home / 864,561,131.40-1,193,080,119.48-468,080,951.16

Finding the Fourth Proportional to 864,561,131.40, 1,193,080,119.48 and 468,080,951.16

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Solution

The fourth proportional to 864,561,131.40, 1,193,080,119.48 and 468,080,951.16 is: 645,944,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,561,131.40 : 1,193,080,119.48 = 468,080,951.16 : x
  2. Step 2: Convert to fraction form
    864,561,131.40/1,193,080,119.48 = 468,080,951.16/x
  3. Step 3: Cross multiply
    864,561,131.40x = 1,193,080,119.48 × 468,080,951.16
  4. Step 4: Simplify right side
    864,561,131.40x = 558,458,077,136,284,864
  5. Step 5: Solve for x
    x = 558,458,077,136,284,864/864,561,131.40
  6. Step 6: Final answer
    x = 645,944,001.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.