Home / 347,680,066.40-521,520,099.60-342,578,232.80

Finding the Fourth Proportional to 347,680,066.40, 521,520,099.60 and 342,578,232.80

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Solution

The fourth proportional to 347,680,066.40, 521,520,099.60 and 342,578,232.80 is: 513,867,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,066.40 : 521,520,099.60 = 342,578,232.80 : x
  2. Step 2: Convert to fraction form
    347,680,066.40/521,520,099.60 = 342,578,232.80/x
  3. Step 3: Cross multiply
    347,680,066.40x = 521,520,099.60 × 342,578,232.80
  4. Step 4: Simplify right side
    347,680,066.40x = 178,661,434,090,648,000
  5. Step 5: Solve for x
    x = 178,661,434,090,648,000/347,680,066.40
  6. Step 6: Final answer
    x = 513,867,349.20

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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.