Home / 1,353,870,747.75-1,867,550,078.75-851,283,838.61

Finding the Fourth Proportional to 1,353,870,747.75, 1,867,550,078.75 and 851,283,838.61

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Solution

The fourth proportional to 1,353,870,747.75, 1,867,550,078.75 and 851,283,838.61 is: 1,174,273,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,870,747.75 : 1,867,550,078.75 = 851,283,838.61 : x
  2. Step 2: Convert to fraction form
    1,353,870,747.75/1,867,550,078.75 = 851,283,838.61/x
  3. Step 3: Cross multiply
    1,353,870,747.75x = 1,867,550,078.75 × 851,283,838.61
  4. Step 4: Simplify right side
    1,353,870,747.75x = 1,589,815,199,821,113,600
  5. Step 5: Solve for x
    x = 1,589,815,199,821,113,600/1,353,870,747.75
  6. Step 6: Final answer
    x = 1,174,273,986.25

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1.5x scale

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.