Home / 291,345,742.10-437,018,613.15-259,600,999.70

Finding the Fourth Proportional to 291,345,742.10, 437,018,613.15 and 259,600,999.70

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Solution

The fourth proportional to 291,345,742.10, 437,018,613.15 and 259,600,999.70 is: 389,401,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,742.10 : 437,018,613.15 = 259,600,999.70 : x
  2. Step 2: Convert to fraction form
    291,345,742.10/437,018,613.15 = 259,600,999.70/x
  3. Step 3: Cross multiply
    291,345,742.10x = 437,018,613.15 × 259,600,999.70
  4. Step 4: Simplify right side
    291,345,742.10x = 113,450,468,861,247,552
  5. Step 5: Solve for x
    x = 113,450,468,861,247,552/291,345,742.10
  6. Step 6: Final answer
    x = 389,401,499.55

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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.