Home / 8,398,151,503.80-12,597,227,255.70-5,282,631,785.40

Finding the Fourth Proportional to 8,398,151,503.80, 12,597,227,255.70 and 5,282,631,785.40

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Solution

The fourth proportional to 8,398,151,503.80, 12,597,227,255.70 and 5,282,631,785.40 is: 7,923,947,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,151,503.80 : 12,597,227,255.70 = 5,282,631,785.40 : x
  2. Step 2: Convert to fraction form
    8,398,151,503.80/12,597,227,255.70 = 5,282,631,785.40/x
  3. Step 3: Cross multiply
    8,398,151,503.80x = 12,597,227,255.70 × 5,282,631,785.40
  4. Step 4: Simplify right side
    8,398,151,503.80x = 66,546,513,108,868,030,464
  5. Step 5: Solve for x
    x = 66,546,513,108,868,030,464/8,398,151,503.80
  6. Step 6: Final answer
    x = 7,923,947,678.10

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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.