Home / 8,978,688,220.20-13,468,032,330.30-5,108,852,956.20

Finding the Fourth Proportional to 8,978,688,220.20, 13,468,032,330.30 and 5,108,852,956.20

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Solution

The fourth proportional to 8,978,688,220.20, 13,468,032,330.30 and 5,108,852,956.20 is: 7,663,279,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,688,220.20 : 13,468,032,330.30 = 5,108,852,956.20 : x
  2. Step 2: Convert to fraction form
    8,978,688,220.20/13,468,032,330.30 = 5,108,852,956.20/x
  3. Step 3: Cross multiply
    8,978,688,220.20x = 13,468,032,330.30 × 5,108,852,956.20
  4. Step 4: Simplify right side
    8,978,688,220.20x = 68,806,196,784,850,321,408
  5. Step 5: Solve for x
    x = 68,806,196,784,850,321,408/8,978,688,220.20
  6. Step 6: Final answer
    x = 7,663,279,434.30

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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.