Home / 1,352,054,778.45-1,865,846,549.54-749,235,470.94

Finding the Fourth Proportional to 1,352,054,778.45, 1,865,846,549.54 and 749,235,470.94

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Solution

The fourth proportional to 1,352,054,778.45, 1,865,846,549.54 and 749,235,470.94 is: 1,033,951,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,054,778.45 : 1,865,846,549.54 = 749,235,470.94 : x
  2. Step 2: Convert to fraction form
    1,352,054,778.45/1,865,846,549.54 = 749,235,470.94/x
  3. Step 3: Cross multiply
    1,352,054,778.45x = 1,865,846,549.54 × 749,235,470.94
  4. Step 4: Simplify right side
    1,352,054,778.45x = 1,397,958,418,242,629,888
  5. Step 5: Solve for x
    x = 1,397,958,418,242,629,888/1,352,054,778.45
  6. Step 6: Final answer
    x = 1,033,951,020.72

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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.