Home / 1,126,886,111.07-1,690,329,219.18-772,010,456.52

Finding the Fourth Proportional to 1,126,886,111.07, 1,690,329,219.18 and 772,010,456.52

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Solution

The fourth proportional to 1,126,886,111.07, 1,690,329,219.18 and 772,010,456.52 is: 1,158,015,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,886,111.07 : 1,690,329,219.18 = 772,010,456.52 : x
  2. Step 2: Convert to fraction form
    1,126,886,111.07/1,690,329,219.18 = 772,010,456.52/x
  3. Step 3: Cross multiply
    1,126,886,111.07x = 1,690,329,219.18 × 772,010,456.52
  4. Step 4: Simplify right side
    1,126,886,111.07x = 1,304,951,832,158,620,928
  5. Step 5: Solve for x
    x = 1,304,951,832,158,620,928/1,126,886,111.07
  6. Step 6: Final answer
    x = 1,158,015,720.79

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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.