Home / 1,081,144,580.13-1,491,991,263.81-635,126,742.18

Finding the Fourth Proportional to 1,081,144,580.13, 1,491,991,263.81 and 635,126,742.18

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Solution

The fourth proportional to 1,081,144,580.13, 1,491,991,263.81 and 635,126,742.18 is: 876,481,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,144,580.13 : 1,491,991,263.81 = 635,126,742.18 : x
  2. Step 2: Convert to fraction form
    1,081,144,580.13/1,491,991,263.81 = 635,126,742.18/x
  3. Step 3: Cross multiply
    1,081,144,580.13x = 1,491,991,263.81 × 635,126,742.18
  4. Step 4: Simplify right side
    1,081,144,580.13x = 947,603,550,744,666,112
  5. Step 5: Solve for x
    x = 947,603,550,744,666,112/1,081,144,580.13
  6. Step 6: Final answer
    x = 876,481,802.86

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Double scale
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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.