Home / 1,587,170,110.95-2,379,182,594.42-745,305,834.72

Finding the Fourth Proportional to 1,587,170,110.95, 2,379,182,594.42 and 745,305,834.72

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Solution

The fourth proportional to 1,587,170,110.95, 2,379,182,594.42 and 745,305,834.72 is: 1,117,220,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,170,110.95 : 2,379,182,594.42 = 745,305,834.72 : x
  2. Step 2: Convert to fraction form
    1,587,170,110.95/2,379,182,594.42 = 745,305,834.72/x
  3. Step 3: Cross multiply
    1,587,170,110.95x = 2,379,182,594.42 × 745,305,834.72
  4. Step 4: Simplify right side
    1,587,170,110.95x = 1,773,218,669,485,709,568
  5. Step 5: Solve for x
    x = 1,773,218,669,485,709,568/1,587,170,110.95
  6. Step 6: Final answer
    x = 1,117,220,301.25

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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.