Home / 739,867,348.81-1,109,666,917.37-297,192,191.69

Finding the Fourth Proportional to 739,867,348.81, 1,109,666,917.37 and 297,192,191.69

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Solution

The fourth proportional to 739,867,348.81, 1,109,666,917.37 and 297,192,191.69 is: 445,734,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,867,348.81 : 1,109,666,917.37 = 297,192,191.69 : x
  2. Step 2: Convert to fraction form
    739,867,348.81/1,109,666,917.37 = 297,192,191.69/x
  3. Step 3: Cross multiply
    739,867,348.81x = 1,109,666,917.37 × 297,192,191.69
  4. Step 4: Simplify right side
    739,867,348.81x = 329,784,343,222,593,536
  5. Step 5: Solve for x
    x = 329,784,343,222,593,536/739,867,348.81
  6. Step 6: Final answer
    x = 445,734,419.49

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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.