Home / 1,147,848,711.65-1,722,046,275.71-371,494,373.39

Finding the Fourth Proportional to 1,147,848,711.65, 1,722,046,275.71 and 371,494,373.39

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Solution

The fourth proportional to 1,147,848,711.65, 1,722,046,275.71 and 371,494,373.39 is: 557,329,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,848,711.65 : 1,722,046,275.71 = 371,494,373.39 : x
  2. Step 2: Convert to fraction form
    1,147,848,711.65/1,722,046,275.71 = 371,494,373.39/x
  3. Step 3: Cross multiply
    1,147,848,711.65x = 1,722,046,275.71 × 371,494,373.39
  4. Step 4: Simplify right side
    1,147,848,711.65x = 639,730,502,142,914,432
  5. Step 5: Solve for x
    x = 639,730,502,142,914,432/1,147,848,711.65
  6. Step 6: Final answer
    x = 557,329,982.30

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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.