Home / 653,245,116.40-979,867,674.60-222,423,612.40

Finding the Fourth Proportional to 653,245,116.40, 979,867,674.60 and 222,423,612.40

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Solution

The fourth proportional to 653,245,116.40, 979,867,674.60 and 222,423,612.40 is: 333,635,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,245,116.40 : 979,867,674.60 = 222,423,612.40 : x
  2. Step 2: Convert to fraction form
    653,245,116.40/979,867,674.60 = 222,423,612.40/x
  3. Step 3: Cross multiply
    653,245,116.40x = 979,867,674.60 × 222,423,612.40
  4. Step 4: Simplify right side
    653,245,116.40x = 217,945,707,858,519,744
  5. Step 5: Solve for x
    x = 217,945,707,858,519,744/653,245,116.40
  6. Step 6: Final answer
    x = 333,635,418.60

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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.