Home / 1,225,863,280.98-1,691,727,064.50-668,982,200.30

Finding the Fourth Proportional to 1,225,863,280.98, 1,691,727,064.50 and 668,982,200.30

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Solution

The fourth proportional to 1,225,863,280.98, 1,691,727,064.50 and 668,982,200.30 is: 923,214,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,863,280.98 : 1,691,727,064.50 = 668,982,200.30 : x
  2. Step 2: Convert to fraction form
    1,225,863,280.98/1,691,727,064.50 = 668,982,200.30/x
  3. Step 3: Cross multiply
    1,225,863,280.98x = 1,691,727,064.50 × 668,982,200.30
  4. Step 4: Simplify right side
    1,225,863,280.98x = 1,131,735,293,916,269,952
  5. Step 5: Solve for x
    x = 1,131,735,293,916,269,952/1,225,863,280.98
  6. Step 6: Final answer
    x = 923,214,938.79

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Double scale
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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.