Home / 289,666,502.20-434,499,753.30-252,253,055.80

Finding the Fourth Proportional to 289,666,502.20, 434,499,753.30 and 252,253,055.80

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Solution

The fourth proportional to 289,666,502.20, 434,499,753.30 and 252,253,055.80 is: 378,379,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,666,502.20 : 434,499,753.30 = 252,253,055.80 : x
  2. Step 2: Convert to fraction form
    289,666,502.20/434,499,753.30 = 252,253,055.80/x
  3. Step 3: Cross multiply
    289,666,502.20x = 434,499,753.30 × 252,253,055.80
  4. Step 4: Simplify right side
    289,666,502.20x = 109,603,890,514,271,136
  5. Step 5: Solve for x
    x = 109,603,890,514,271,136/289,666,502.20
  6. Step 6: Final answer
    x = 378,379,583.70

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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.