Home / 1,090,061,461.20-1,633,143,574.80-663,373,387.20

Finding the Fourth Proportional to 1,090,061,461.20, 1,633,143,574.80 and 663,373,387.20

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Solution

The fourth proportional to 1,090,061,461.20, 1,633,143,574.80 and 663,373,387.20 is: 993,874,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,061,461.20 : 1,633,143,574.80 = 663,373,387.20 : x
  2. Step 2: Convert to fraction form
    1,090,061,461.20/1,633,143,574.80 = 663,373,387.20/x
  3. Step 3: Cross multiply
    1,090,061,461.20x = 1,633,143,574.80 × 663,373,387.20
  4. Step 4: Simplify right side
    1,090,061,461.20x = 1,083,383,984,998,992,640
  5. Step 5: Solve for x
    x = 1,083,383,984,998,992,640/1,090,061,461.20
  6. Step 6: Final answer
    x = 993,874,220.46

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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.