Home / 656,193,085.60-984,289,628.40-656,193,085.60

Finding the Fourth Proportional to 656,193,085.60, 984,289,628.40 and 656,193,085.60

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Solution

The fourth proportional to 656,193,085.60, 984,289,628.40 and 656,193,085.60 is: 984,289,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,193,085.60 : 984,289,628.40 = 656,193,085.60 : x
  2. Step 2: Convert to fraction form
    656,193,085.60/984,289,628.40 = 656,193,085.60/x
  3. Step 3: Cross multiply
    656,193,085.60x = 984,289,628.40 × 656,193,085.60
  4. Step 4: Simplify right side
    656,193,085.60x = 645,884,048,383,873,408
  5. Step 5: Solve for x
    x = 645,884,048,383,873,408/656,193,085.60
  6. Step 6: Final answer
    x = 984,289,628.40

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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.