Home / 1,478,412,072.30-2,217,618,108.45-752,817,960.30

Finding the Fourth Proportional to 1,478,412,072.30, 2,217,618,108.45 and 752,817,960.30

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Solution

The fourth proportional to 1,478,412,072.30, 2,217,618,108.45 and 752,817,960.30 is: 1,129,226,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,412,072.30 : 2,217,618,108.45 = 752,817,960.30 : x
  2. Step 2: Convert to fraction form
    1,478,412,072.30/2,217,618,108.45 = 752,817,960.30/x
  3. Step 3: Cross multiply
    1,478,412,072.30x = 2,217,618,108.45 × 752,817,960.30
  4. Step 4: Simplify right side
    1,478,412,072.30x = 1,669,462,741,127,672,832
  5. Step 5: Solve for x
    x = 1,669,462,741,127,672,832/1,478,412,072.30
  6. Step 6: Final answer
    x = 1,129,226,940.45

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Double scale
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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.