Home / 2,848,165,939.80-4,272,248,909.70-1,918,356,766.20

Finding the Fourth Proportional to 2,848,165,939.80, 4,272,248,909.70 and 1,918,356,766.20

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Solution

The fourth proportional to 2,848,165,939.80, 4,272,248,909.70 and 1,918,356,766.20 is: 2,877,535,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,165,939.80 : 4,272,248,909.70 = 1,918,356,766.20 : x
  2. Step 2: Convert to fraction form
    2,848,165,939.80/4,272,248,909.70 = 1,918,356,766.20/x
  3. Step 3: Cross multiply
    2,848,165,939.80x = 4,272,248,909.70 × 1,918,356,766.20
  4. Step 4: Simplify right side
    2,848,165,939.80x = 8,195,697,602,813,568,000
  5. Step 5: Solve for x
    x = 8,195,697,602,813,568,000/2,848,165,939.80
  6. Step 6: Final answer
    x = 2,877,535,149.30

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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.