Home / 1,126,886,109.80-1,690,329,217.26-772,010,455.24

Finding the Fourth Proportional to 1,126,886,109.80, 1,690,329,217.26 and 772,010,455.24

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Solution

The fourth proportional to 1,126,886,109.80, 1,690,329,217.26 and 772,010,455.24 is: 1,158,015,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,886,109.80 : 1,690,329,217.26 = 772,010,455.24 : x
  2. Step 2: Convert to fraction form
    1,126,886,109.80/1,690,329,217.26 = 772,010,455.24/x
  3. Step 3: Cross multiply
    1,126,886,109.80x = 1,690,329,217.26 × 772,010,455.24
  4. Step 4: Simplify right side
    1,126,886,109.80x = 1,304,951,828,522,934,272
  5. Step 5: Solve for x
    x = 1,304,951,828,522,934,272/1,126,886,109.80
  6. Step 6: Final answer
    x = 1,158,015,718.87

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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.