Home / 1,478,412,074.80-2,217,618,112.20-752,817,962.80

Finding the Fourth Proportional to 1,478,412,074.80, 2,217,618,112.20 and 752,817,962.80

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Solution

The fourth proportional to 1,478,412,074.80, 2,217,618,112.20 and 752,817,962.80 is: 1,129,226,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,412,074.80 : 2,217,618,112.20 = 752,817,962.80 : x
  2. Step 2: Convert to fraction form
    1,478,412,074.80/2,217,618,112.20 = 752,817,962.80/x
  3. Step 3: Cross multiply
    1,478,412,074.80x = 2,217,618,112.20 × 752,817,962.80
  4. Step 4: Simplify right side
    1,478,412,074.80x = 1,669,462,749,494,785,536
  5. Step 5: Solve for x
    x = 1,669,462,749,494,785,536/1,478,412,074.80
  6. Step 6: Final answer
    x = 1,129,226,944.20

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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.