Home / 6,876,876,663.81-9,490,032,748.42-3,866,142,786.10

Finding the Fourth Proportional to 6,876,876,663.81, 9,490,032,748.42 and 3,866,142,786.10

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Solution

The fourth proportional to 6,876,876,663.81, 9,490,032,748.42 and 3,866,142,786.10 is: 5,335,244,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,876,663.81 : 9,490,032,748.42 = 3,866,142,786.10 : x
  2. Step 2: Convert to fraction form
    6,876,876,663.81/9,490,032,748.42 = 3,866,142,786.10/x
  3. Step 3: Cross multiply
    6,876,876,663.81x = 9,490,032,748.42 × 3,866,142,786.10
  4. Step 4: Simplify right side
    6,876,876,663.81x = 36,689,821,650,109,288,448
  5. Step 5: Solve for x
    x = 36,689,821,650,109,288,448/6,876,876,663.81
  6. Step 6: Final answer
    x = 5,335,244,972.94

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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.