Home / 579,453,505.70-869,180,258.55-148,632,001.70

Finding the Fourth Proportional to 579,453,505.70, 869,180,258.55 and 148,632,001.70

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Solution

The fourth proportional to 579,453,505.70, 869,180,258.55 and 148,632,001.70 is: 222,948,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,453,505.70 : 869,180,258.55 = 148,632,001.70 : x
  2. Step 2: Convert to fraction form
    579,453,505.70/869,180,258.55 = 148,632,001.70/x
  3. Step 3: Cross multiply
    579,453,505.70x = 869,180,258.55 × 148,632,001.70
  4. Step 4: Simplify right side
    579,453,505.70x = 129,188,001,666,410,016
  5. Step 5: Solve for x
    x = 129,188,001,666,410,016/579,453,505.70
  6. Step 6: Final answer
    x = 222,948,002.55

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Double scale
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Similar ratio
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1.5x scale

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.