Home / 296,258,666.40-444,387,999.60-123,678,122.40

Finding the Fourth Proportional to 296,258,666.40, 444,387,999.60 and 123,678,122.40

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Solution

The fourth proportional to 296,258,666.40, 444,387,999.60 and 123,678,122.40 is: 185,517,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,258,666.40 : 444,387,999.60 = 123,678,122.40 : x
  2. Step 2: Convert to fraction form
    296,258,666.40/444,387,999.60 = 123,678,122.40/x
  3. Step 3: Cross multiply
    296,258,666.40x = 444,387,999.60 × 123,678,122.40
  4. Step 4: Simplify right side
    296,258,666.40x = 54,961,073,407,619,960
  5. Step 5: Solve for x
    x = 54,961,073,407,619,960/296,258,666.40
  6. Step 6: Final answer
    x = 185,517,183.60

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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.