Home / 1,027,664,165.10-1,418,177,238.70-557,765,492.72

Finding the Fourth Proportional to 1,027,664,165.10, 1,418,177,238.70 and 557,765,492.72

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Solution

The fourth proportional to 1,027,664,165.10, 1,418,177,238.70 and 557,765,492.72 is: 769,716,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,664,165.10 : 1,418,177,238.70 = 557,765,492.72 : x
  2. Step 2: Convert to fraction form
    1,027,664,165.10/1,418,177,238.70 = 557,765,492.72/x
  3. Step 3: Cross multiply
    1,027,664,165.10x = 1,418,177,238.70 × 557,765,492.72
  4. Step 4: Simplify right side
    1,027,664,165.10x = 791,010,326,307,794,560
  5. Step 5: Solve for x
    x = 791,010,326,307,794,560/1,027,664,165.10
  6. Step 6: Final answer
    x = 769,716,754.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.