Home / 7,991,298,123.90-11,986,947,185.85-7,610,361,215.10

Finding the Fourth Proportional to 7,991,298,123.90, 11,986,947,185.85 and 7,610,361,215.10

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Solution

The fourth proportional to 7,991,298,123.90, 11,986,947,185.85 and 7,610,361,215.10 is: 11,415,541,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,298,123.90 : 11,986,947,185.85 = 7,610,361,215.10 : x
  2. Step 2: Convert to fraction form
    7,991,298,123.90/11,986,947,185.85 = 7,610,361,215.10/x
  3. Step 3: Cross multiply
    7,991,298,123.90x = 11,986,947,185.85 × 7,610,361,215.10
  4. Step 4: Simplify right side
    7,991,298,123.90x = 91,224,997,950,644,944,896
  5. Step 5: Solve for x
    x = 91,224,997,950,644,944,896/7,991,298,123.90
  6. Step 6: Final answer
    x = 11,415,541,822.65

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Double scale
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Similar ratio
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1.5x scale

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.