Home / 810,937,648.32-1,216,522,994.76-250,743,131.52

Finding the Fourth Proportional to 810,937,648.32, 1,216,522,994.76 and 250,743,131.52

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Solution

The fourth proportional to 810,937,648.32, 1,216,522,994.76 and 250,743,131.52 is: 376,150,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,937,648.32 : 1,216,522,994.76 = 250,743,131.52 : x
  2. Step 2: Convert to fraction form
    810,937,648.32/1,216,522,994.76 = 250,743,131.52/x
  3. Step 3: Cross multiply
    810,937,648.32x = 1,216,522,994.76 × 250,743,131.52
  4. Step 4: Simplify right side
    810,937,648.32x = 305,034,785,272,210,944
  5. Step 5: Solve for x
    x = 305,034,785,272,210,944/810,937,648.32
  6. Step 6: Final answer
    x = 376,150,726.14

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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.