Home / 8,068,872,715.80-12,103,309,073.70-3,159,915,019.80

Finding the Fourth Proportional to 8,068,872,715.80, 12,103,309,073.70 and 3,159,915,019.80

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Solution

The fourth proportional to 8,068,872,715.80, 12,103,309,073.70 and 3,159,915,019.80 is: 4,739,872,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,872,715.80 : 12,103,309,073.70 = 3,159,915,019.80 : x
  2. Step 2: Convert to fraction form
    8,068,872,715.80/12,103,309,073.70 = 3,159,915,019.80/x
  3. Step 3: Cross multiply
    8,068,872,715.80x = 12,103,309,073.70 × 3,159,915,019.80
  4. Step 4: Simplify right side
    8,068,872,715.80x = 38,245,428,131,266,256,896
  5. Step 5: Solve for x
    x = 38,245,428,131,266,256,896/8,068,872,715.80
  6. Step 6: Final answer
    x = 4,739,872,529.70

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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.