Home / 8,857,371,781.80-13,287,970,860.30-2,647,164,832.20

Finding the Fourth Proportional to 8,857,371,781.80, 13,287,970,860.30 and 2,647,164,832.20

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Solution

The fourth proportional to 8,857,371,781.80, 13,287,970,860.30 and 2,647,164,832.20 is: 3,971,319,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,371,781.80 : 13,287,970,860.30 = 2,647,164,832.20 : x
  2. Step 2: Convert to fraction form
    8,857,371,781.80/13,287,970,860.30 = 2,647,164,832.20/x
  3. Step 3: Cross multiply
    8,857,371,781.80x = 13,287,970,860.30 × 2,647,164,832.20
  4. Step 4: Simplify right side
    8,857,371,781.80x = 35,175,449,152,684,535,808
  5. Step 5: Solve for x
    x = 35,175,449,152,684,535,808/8,857,371,781.80
  6. Step 6: Final answer
    x = 3,971,319,034.50

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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.