Home / 401,246,626.85-601,869,940.28-359,156,499.65

Finding the Fourth Proportional to 401,246,626.85, 601,869,940.28 and 359,156,499.65

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Solution

The fourth proportional to 401,246,626.85, 601,869,940.28 and 359,156,499.65 is: 538,734,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,246,626.85 : 601,869,940.28 = 359,156,499.65 : x
  2. Step 2: Convert to fraction form
    401,246,626.85/601,869,940.28 = 359,156,499.65/x
  3. Step 3: Cross multiply
    401,246,626.85x = 601,869,940.28 × 359,156,499.65
  4. Step 4: Simplify right side
    401,246,626.85x = 216,165,500,993,723,520
  5. Step 5: Solve for x
    x = 216,165,500,993,723,520/401,246,626.85
  6. Step 6: Final answer
    x = 538,734,749.48

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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.