Home / 1,195,538,741.54-1,793,826,045.85-642,195,565.30

Finding the Fourth Proportional to 1,195,538,741.54, 1,793,826,045.85 and 642,195,565.30

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Solution

The fourth proportional to 1,195,538,741.54, 1,793,826,045.85 and 642,195,565.30 is: 963,571,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,538,741.54 : 1,793,826,045.85 = 642,195,565.30 : x
  2. Step 2: Convert to fraction form
    1,195,538,741.54/1,793,826,045.85 = 642,195,565.30/x
  3. Step 3: Cross multiply
    1,195,538,741.54x = 1,793,826,045.85 × 642,195,565.30
  4. Step 4: Simplify right side
    1,195,538,741.54x = 1,151,987,131,564,504,320
  5. Step 5: Solve for x
    x = 1,151,987,131,564,504,320/1,195,538,741.54
  6. Step 6: Final answer
    x = 963,571,561.12

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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.