Home / 328,049,227.20-492,079,672.80-98,021,150.40

Finding the Fourth Proportional to 328,049,227.20, 492,079,672.80 and 98,021,150.40

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Solution

The fourth proportional to 328,049,227.20, 492,079,672.80 and 98,021,150.40 is: 147,033,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,049,227.20 : 492,079,672.80 = 98,021,150.40 : x
  2. Step 2: Convert to fraction form
    328,049,227.20/492,079,672.80 = 98,021,150.40/x
  3. Step 3: Cross multiply
    328,049,227.20x = 492,079,672.80 × 98,021,150.40
  4. Step 4: Simplify right side
    328,049,227.20x = 48,234,215,616,311,592
  5. Step 5: Solve for x
    x = 48,234,215,616,311,592/328,049,227.20
  6. Step 6: Final answer
    x = 147,033,468.20

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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.