Home / 8,789,164,118.68-12,130,086,293.09-5,220,885,122.57

Finding the Fourth Proportional to 8,789,164,118.68, 12,130,086,293.09 and 5,220,885,122.57

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Solution

The fourth proportional to 8,789,164,118.68, 12,130,086,293.09 and 5,220,885,122.57 is: 7,205,439,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,164,118.68 : 12,130,086,293.09 = 5,220,885,122.57 : x
  2. Step 2: Convert to fraction form
    8,789,164,118.68/12,130,086,293.09 = 5,220,885,122.57/x
  3. Step 3: Cross multiply
    8,789,164,118.68x = 12,130,086,293.09 × 5,220,885,122.57
  4. Step 4: Simplify right side
    8,789,164,118.68x = 63,329,787,063,083,859,968
  5. Step 5: Solve for x
    x = 63,329,787,063,083,859,968/8,789,164,118.68
  6. Step 6: Final answer
    x = 7,205,439,130.27

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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.