Home / 1,081,145,798.76-1,491,992,961.38-635,127,960.84

Finding the Fourth Proportional to 1,081,145,798.76, 1,491,992,961.38 and 635,127,960.84

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Solution

The fourth proportional to 1,081,145,798.76, 1,491,992,961.38 and 635,127,960.84 is: 876,483,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,145,798.76 : 1,491,992,961.38 = 635,127,960.84 : x
  2. Step 2: Convert to fraction form
    1,081,145,798.76/1,491,992,961.38 = 635,127,960.84/x
  3. Step 3: Cross multiply
    1,081,145,798.76x = 1,491,992,961.38 × 635,127,960.84
  4. Step 4: Simplify right side
    1,081,145,798.76x = 947,606,447,148,912,384
  5. Step 5: Solve for x
    x = 947,606,447,148,912,384/1,081,145,798.76
  6. Step 6: Final answer
    x = 876,483,493.93

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Double scale
Find fourth proportional to 1,081,145,799.76, 1,491,992,962.76 and 635,127,961.84
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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.