Home / 363,430,891.80-545,146,337.70-327,151,186.20

Finding the Fourth Proportional to 363,430,891.80, 545,146,337.70 and 327,151,186.20

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Solution

The fourth proportional to 363,430,891.80, 545,146,337.70 and 327,151,186.20 is: 490,726,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,430,891.80 : 545,146,337.70 = 327,151,186.20 : x
  2. Step 2: Convert to fraction form
    363,430,891.80/545,146,337.70 = 327,151,186.20/x
  3. Step 3: Cross multiply
    363,430,891.80x = 545,146,337.70 × 327,151,186.20
  4. Step 4: Simplify right side
    363,430,891.80x = 178,345,271,031,140,800
  5. Step 5: Solve for x
    x = 178,345,271,031,140,800/363,430,891.80
  6. Step 6: Final answer
    x = 490,726,779.30

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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.