Home / 1,305,788,191.45-1,958,984,876.91-373,123,186.78

Finding the Fourth Proportional to 1,305,788,191.45, 1,958,984,876.91 and 373,123,186.78

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Solution

The fourth proportional to 1,305,788,191.45, 1,958,984,876.91 and 373,123,186.78 is: 559,771,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,788,191.45 : 1,958,984,876.91 = 373,123,186.78 : x
  2. Step 2: Convert to fraction form
    1,305,788,191.45/1,958,984,876.91 = 373,123,186.78/x
  3. Step 3: Cross multiply
    1,305,788,191.45x = 1,958,984,876.91 × 373,123,186.78
  4. Step 4: Simplify right side
    1,305,788,191.45x = 730,942,680,124,619,520
  5. Step 5: Solve for x
    x = 730,942,680,124,619,520/1,305,788,191.45
  6. Step 6: Final answer
    x = 559,771,243.84

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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.