Home / 1,149,323,098.51-1,586,065,815.26-620,687,033.70

Finding the Fourth Proportional to 1,149,323,098.51, 1,586,065,815.26 and 620,687,033.70

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Solution

The fourth proportional to 1,149,323,098.51, 1,586,065,815.26 and 620,687,033.70 is: 856,548,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,323,098.51 : 1,586,065,815.26 = 620,687,033.70 : x
  2. Step 2: Convert to fraction form
    1,149,323,098.51/1,586,065,815.26 = 620,687,033.70/x
  3. Step 3: Cross multiply
    1,149,323,098.51x = 1,586,065,815.26 × 620,687,033.70
  4. Step 4: Simplify right side
    1,149,323,098.51x = 984,450,486,126,701,696
  5. Step 5: Solve for x
    x = 984,450,486,126,701,696/1,149,323,098.51
  6. Step 6: Final answer
    x = 856,548,073.73

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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.