Home / 257,550,892.85-384,581,814.64-204,432,620.11

Finding the Fourth Proportional to 257,550,892.85, 384,581,814.64 and 204,432,620.11

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Solution

The fourth proportional to 257,550,892.85, 384,581,814.64 and 204,432,620.11 is: 305,264,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,550,892.85 : 384,581,814.64 = 204,432,620.11 : x
  2. Step 2: Convert to fraction form
    257,550,892.85/384,581,814.64 = 204,432,620.11/x
  3. Step 3: Cross multiply
    257,550,892.85x = 384,581,814.64 × 204,432,620.11
  4. Step 4: Simplify right side
    257,550,892.85x = 78,621,068,012,041,008
  5. Step 5: Solve for x
    x = 78,621,068,012,041,008/257,550,892.85
  6. Step 6: Final answer
    x = 305,264,202.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.