Home / 1,098,469,959.90-1,514,446,083.81-792,686,390.64

Finding the Fourth Proportional to 1,098,469,959.90, 1,514,446,083.81 and 792,686,390.64

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Solution

The fourth proportional to 1,098,469,959.90, 1,514,446,083.81 and 792,686,390.64 is: 1,092,866,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,469,959.90 : 1,514,446,083.81 = 792,686,390.64 : x
  2. Step 2: Convert to fraction form
    1,098,469,959.90/1,514,446,083.81 = 792,686,390.64/x
  3. Step 3: Cross multiply
    1,098,469,959.90x = 1,514,446,083.81 × 792,686,390.64
  4. Step 4: Simplify right side
    1,098,469,959.90x = 1,200,480,799,994,231,808
  5. Step 5: Solve for x
    x = 1,200,480,799,994,231,808/1,098,469,959.90
  6. Step 6: Final answer
    x = 1,092,866,299.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.