Home / 1,062,937,147.20-1,594,405,720.80-914,983,972.80

Finding the Fourth Proportional to 1,062,937,147.20, 1,594,405,720.80 and 914,983,972.80

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Solution

The fourth proportional to 1,062,937,147.20, 1,594,405,720.80 and 914,983,972.80 is: 1,372,475,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,937,147.20 : 1,594,405,720.80 = 914,983,972.80 : x
  2. Step 2: Convert to fraction form
    1,062,937,147.20/1,594,405,720.80 = 914,983,972.80/x
  3. Step 3: Cross multiply
    1,062,937,147.20x = 1,594,405,720.80 × 914,983,972.80
  4. Step 4: Simplify right side
    1,062,937,147.20x = 1,458,855,680,672,631,552
  5. Step 5: Solve for x
    x = 1,458,855,680,672,631,552/1,062,937,147.20
  6. Step 6: Final answer
    x = 1,372,475,959.20

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Double scale
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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.