Home / 1,153,005,187.72-1,591,260,971.70-658,041,948.04

Finding the Fourth Proportional to 1,153,005,187.72, 1,591,260,971.70 and 658,041,948.04

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Solution

The fourth proportional to 1,153,005,187.72, 1,591,260,971.70 and 658,041,948.04 is: 908,162,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,005,187.72 : 1,591,260,971.70 = 658,041,948.04 : x
  2. Step 2: Convert to fraction form
    1,153,005,187.72/1,591,260,971.70 = 658,041,948.04/x
  3. Step 3: Cross multiply
    1,153,005,187.72x = 1,591,260,971.70 × 658,041,948.04
  4. Step 4: Simplify right side
    1,153,005,187.72x = 1,047,116,469,657,491,328
  5. Step 5: Solve for x
    x = 1,047,116,469,657,491,328/1,153,005,187.72
  6. Step 6: Final answer
    x = 908,162,843.33

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Double scale
Find fourth proportional to 1,153,005,188.72, 1,591,260,973.08 and 658,041,949.04
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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.