Home / 8,498,283,139.80-12,747,424,709.70-5,406,571,978.20

Finding the Fourth Proportional to 8,498,283,139.80, 12,747,424,709.70 and 5,406,571,978.20

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Solution

The fourth proportional to 8,498,283,139.80, 12,747,424,709.70 and 5,406,571,978.20 is: 8,109,857,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498,283,139.80 : 12,747,424,709.70 = 5,406,571,978.20 : x
  2. Step 2: Convert to fraction form
    8,498,283,139.80/12,747,424,709.70 = 5,406,571,978.20/x
  3. Step 3: Cross multiply
    8,498,283,139.80x = 12,747,424,709.70 × 5,406,571,978.20
  4. Step 4: Simplify right side
    8,498,283,139.80x = 68,919,869,229,678,288,896
  5. Step 5: Solve for x
    x = 68,919,869,229,678,288,896/8,498,283,139.80
  6. Step 6: Final answer
    x = 8,109,857,967.30

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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.