Home / 810,937,650.32-1,216,522,997.76-250,743,133.52

Finding the Fourth Proportional to 810,937,650.32, 1,216,522,997.76 and 250,743,133.52

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Solution

The fourth proportional to 810,937,650.32, 1,216,522,997.76 and 250,743,133.52 is: 376,150,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,937,650.32 : 1,216,522,997.76 = 250,743,133.52 : x
  2. Step 2: Convert to fraction form
    810,937,650.32/1,216,522,997.76 = 250,743,133.52/x
  3. Step 3: Cross multiply
    810,937,650.32x = 1,216,522,997.76 × 250,743,133.52
  4. Step 4: Simplify right side
    810,937,650.32x = 305,034,788,457,486,336
  5. Step 5: Solve for x
    x = 305,034,788,457,486,336/810,937,650.32
  6. Step 6: Final answer
    x = 376,150,729.14

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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.