Home / 1,163,983,742.64-1,606,057,778.52-668,850,791.76

Finding the Fourth Proportional to 1,163,983,742.64, 1,606,057,778.52 and 668,850,791.76

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Solution

The fourth proportional to 1,163,983,742.64, 1,606,057,778.52 and 668,850,791.76 is: 922,876,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,983,742.64 : 1,606,057,778.52 = 668,850,791.76 : x
  2. Step 2: Convert to fraction form
    1,163,983,742.64/1,606,057,778.52 = 668,850,791.76/x
  3. Step 3: Cross multiply
    1,163,983,742.64x = 1,606,057,778.52 × 668,850,791.76
  4. Step 4: Simplify right side
    1,163,983,742.64x = 1,074,213,016,775,408,640
  5. Step 5: Solve for x
    x = 1,074,213,016,775,408,640/1,163,983,742.64
  6. Step 6: Final answer
    x = 922,876,306.11

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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.