Home / 1,098,469,961.40-1,514,446,085.88-792,686,392.14

Finding the Fourth Proportional to 1,098,469,961.40, 1,514,446,085.88 and 792,686,392.14

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Solution

The fourth proportional to 1,098,469,961.40, 1,514,446,085.88 and 792,686,392.14 is: 1,092,866,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,469,961.40 : 1,514,446,085.88 = 792,686,392.14 : x
  2. Step 2: Convert to fraction form
    1,098,469,961.40/1,514,446,085.88 = 792,686,392.14/x
  3. Step 3: Cross multiply
    1,098,469,961.40x = 1,514,446,085.88 × 792,686,392.14
  4. Step 4: Simplify right side
    1,098,469,961.40x = 1,200,480,803,906,761,984
  5. Step 5: Solve for x
    x = 1,200,480,803,906,761,984/1,098,469,961.40
  6. Step 6: Final answer
    x = 1,092,866,301.39

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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.