Home / 739,735,778.15-1,109,464,943.08-371,171,770.82

Finding the Fourth Proportional to 739,735,778.15, 1,109,464,943.08 and 371,171,770.82

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Solution

The fourth proportional to 739,735,778.15, 1,109,464,943.08 and 371,171,770.82 is: 556,688,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,735,778.15 : 1,109,464,943.08 = 371,171,770.82 : x
  2. Step 2: Convert to fraction form
    739,735,778.15/1,109,464,943.08 = 371,171,770.82/x
  3. Step 3: Cross multiply
    739,735,778.15x = 1,109,464,943.08 × 371,171,770.82
  4. Step 4: Simplify right side
    739,735,778.15x = 411,802,067,585,714,048
  5. Step 5: Solve for x
    x = 411,802,067,585,714,048/739,735,778.15
  6. Step 6: Final answer
    x = 556,688,049.64

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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.