Home / 2,116,979,278.11-2,921,433,825.83-1,177,161,741.86

Finding the Fourth Proportional to 2,116,979,278.11, 2,921,433,825.83 and 1,177,161,741.86

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Solution

The fourth proportional to 2,116,979,278.11, 2,921,433,825.83 and 1,177,161,741.86 is: 1,624,484,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,979,278.11 : 2,921,433,825.83 = 1,177,161,741.86 : x
  2. Step 2: Convert to fraction form
    2,116,979,278.11/2,921,433,825.83 = 1,177,161,741.86/x
  3. Step 3: Cross multiply
    2,116,979,278.11x = 2,921,433,825.83 × 1,177,161,741.86
  4. Step 4: Simplify right side
    2,116,979,278.11x = 3,439,000,131,122,273,280
  5. Step 5: Solve for x
    x = 3,439,000,131,122,273,280/2,116,979,278.11
  6. Step 6: Final answer
    x = 1,624,484,550.55

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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.