Home / 328,049,154.20-492,079,563.30-98,021,077.40

Finding the Fourth Proportional to 328,049,154.20, 492,079,563.30 and 98,021,077.40

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Solution

The fourth proportional to 328,049,154.20, 492,079,563.30 and 98,021,077.40 is: 147,033,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,049,154.20 : 492,079,563.30 = 98,021,077.40 : x
  2. Step 2: Convert to fraction form
    328,049,154.20/492,079,563.30 = 98,021,077.40/x
  3. Step 3: Cross multiply
    328,049,154.20x = 492,079,563.30 × 98,021,077.40
  4. Step 4: Simplify right side
    328,049,154.20x = 48,234,168,961,187,504
  5. Step 5: Solve for x
    x = 48,234,168,961,187,504/328,049,154.20
  6. Step 6: Final answer
    x = 147,033,358.70

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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.