Home / 6,461,393,021.39-8,917,407,893.20-3,787,419,833.12

Finding the Fourth Proportional to 6,461,393,021.39, 8,917,407,893.20 and 3,787,419,833.12

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Solution

The fourth proportional to 6,461,393,021.39, 8,917,407,893.20 and 3,787,419,833.12 is: 5,227,041,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,393,021.39 : 8,917,407,893.20 = 3,787,419,833.12 : x
  2. Step 2: Convert to fraction form
    6,461,393,021.39/8,917,407,893.20 = 3,787,419,833.12/x
  3. Step 3: Cross multiply
    6,461,393,021.39x = 8,917,407,893.20 × 3,787,419,833.12
  4. Step 4: Simplify right side
    6,461,393,021.39x = 33,773,967,514,726,514,688
  5. Step 5: Solve for x
    x = 33,773,967,514,726,514,688/6,461,393,021.39
  6. Step 6: Final answer
    x = 5,227,041,197.30

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Double scale
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1.5x scale

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.