Home / 8,382,403,399.20-12,573,605,098.80-7,974,256,711.20

Finding the Fourth Proportional to 8,382,403,399.20, 12,573,605,098.80 and 7,974,256,711.20

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Solution

The fourth proportional to 8,382,403,399.20, 12,573,605,098.80 and 7,974,256,711.20 is: 11,961,385,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,403,399.20 : 12,573,605,098.80 = 7,974,256,711.20 : x
  2. Step 2: Convert to fraction form
    8,382,403,399.20/12,573,605,098.80 = 7,974,256,711.20/x
  3. Step 3: Cross multiply
    8,382,403,399.20x = 12,573,605,098.80 × 7,974,256,711.20
  4. Step 4: Simplify right side
    8,382,403,399.20x = 100,265,154,843,084,423,168
  5. Step 5: Solve for x
    x = 100,265,154,843,084,423,168/8,382,403,399.20
  6. Step 6: Final answer
    x = 11,961,385,066.80

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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.