Home / 1,123,845,116.44-1,685,758,344.06-878,408,059.10

Finding the Fourth Proportional to 1,123,845,116.44, 1,685,758,344.06 and 878,408,059.10

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Solution

The fourth proportional to 1,123,845,116.44, 1,685,758,344.06 and 878,408,059.10 is: 1,317,604,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,845,116.44 : 1,685,758,344.06 = 878,408,059.10 : x
  2. Step 2: Convert to fraction form
    1,123,845,116.44/1,685,758,344.06 = 878,408,059.10/x
  3. Step 3: Cross multiply
    1,123,845,116.44x = 1,685,758,344.06 × 878,408,059.10
  4. Step 4: Simplify right side
    1,123,845,116.44x = 1,480,783,715,117,374,720
  5. Step 5: Solve for x
    x = 1,480,783,715,117,374,720/1,123,845,116.44
  6. Step 6: Final answer
    x = 1,317,604,795.76

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Double scale
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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.