Home / 846,193,287.60-1,269,289,931.40-482,724,385.20

Finding the Fourth Proportional to 846,193,287.60, 1,269,289,931.40 and 482,724,385.20

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Solution

The fourth proportional to 846,193,287.60, 1,269,289,931.40 and 482,724,385.20 is: 724,086,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,193,287.60 : 1,269,289,931.40 = 482,724,385.20 : x
  2. Step 2: Convert to fraction form
    846,193,287.60/1,269,289,931.40 = 482,724,385.20/x
  3. Step 3: Cross multiply
    846,193,287.60x = 1,269,289,931.40 × 482,724,385.20
  4. Step 4: Simplify right side
    846,193,287.60x = 612,717,201,775,615,232
  5. Step 5: Solve for x
    x = 612,717,201,775,615,232/846,193,287.60
  6. Step 6: Final answer
    x = 724,086,577.80

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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.