Home / 2,278,642,302.05-3,418,577,018.42-1,172,644,493.72

Finding the Fourth Proportional to 2,278,642,302.05, 3,418,577,018.42 and 1,172,644,493.72

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Solution

The fourth proportional to 2,278,642,302.05, 3,418,577,018.42 and 1,172,644,493.72 is: 1,759,282,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,642,302.05 : 3,418,577,018.42 = 1,172,644,493.72 : x
  2. Step 2: Convert to fraction form
    2,278,642,302.05/3,418,577,018.42 = 1,172,644,493.72/x
  3. Step 3: Cross multiply
    2,278,642,302.05x = 3,418,577,018.42 × 1,172,644,493.72
  4. Step 4: Simplify right side
    2,278,642,302.05x = 4,008,775,516,994,959,360
  5. Step 5: Solve for x
    x = 4,008,775,516,994,959,360/2,278,642,302.05
  6. Step 6: Final answer
    x = 1,759,282,496.16

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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.