Home / 1,348,164,101.70-2,022,246,152.55-378,815,717.70

Finding the Fourth Proportional to 1,348,164,101.70, 2,022,246,152.55 and 378,815,717.70

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Solution

The fourth proportional to 1,348,164,101.70, 2,022,246,152.55 and 378,815,717.70 is: 568,223,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,164,101.70 : 2,022,246,152.55 = 378,815,717.70 : x
  2. Step 2: Convert to fraction form
    1,348,164,101.70/2,022,246,152.55 = 378,815,717.70/x
  3. Step 3: Cross multiply
    1,348,164,101.70x = 2,022,246,152.55 × 378,815,717.70
  4. Step 4: Simplify right side
    1,348,164,101.70x = 766,058,627,644,291,840
  5. Step 5: Solve for x
    x = 766,058,627,644,291,840/1,348,164,101.70
  6. Step 6: Final answer
    x = 568,223,576.55

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Double scale
Find fourth proportional to 1,348,164,102.70, 2,022,246,154.05 and 378,815,718.70
Similar ratio
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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.