Home / 826,943,258.20-1,240,414,887.30-366,927,928.60

Finding the Fourth Proportional to 826,943,258.20, 1,240,414,887.30 and 366,927,928.60

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Solution

The fourth proportional to 826,943,258.20, 1,240,414,887.30 and 366,927,928.60 is: 550,391,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,943,258.20 : 1,240,414,887.30 = 366,927,928.60 : x
  2. Step 2: Convert to fraction form
    826,943,258.20/1,240,414,887.30 = 366,927,928.60/x
  3. Step 3: Cross multiply
    826,943,258.20x = 1,240,414,887.30 × 366,927,928.60
  4. Step 4: Simplify right side
    826,943,258.20x = 455,142,865,201,591,488
  5. Step 5: Solve for x
    x = 455,142,865,201,591,488/826,943,258.20
  6. Step 6: Final answer
    x = 550,391,892.90

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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.