Home / 590,979,811.60-886,469,717.40-393,708,912.40

Finding the Fourth Proportional to 590,979,811.60, 886,469,717.40 and 393,708,912.40

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Solution

The fourth proportional to 590,979,811.60, 886,469,717.40 and 393,708,912.40 is: 590,563,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,979,811.60 : 886,469,717.40 = 393,708,912.40 : x
  2. Step 2: Convert to fraction form
    590,979,811.60/886,469,717.40 = 393,708,912.40/x
  3. Step 3: Cross multiply
    590,979,811.60x = 886,469,717.40 × 393,708,912.40
  4. Step 4: Simplify right side
    590,979,811.60x = 349,011,028,313,089,344
  5. Step 5: Solve for x
    x = 349,011,028,313,089,344/590,979,811.60
  6. Step 6: Final answer
    x = 590,563,368.60

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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.