Home / 12,923,890,778.56-17,836,386,419.28-7,499,621,295.04

Finding the Fourth Proportional to 12,923,890,778.56, 17,836,386,419.28 and 7,499,621,295.04

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Solution

The fourth proportional to 12,923,890,778.56, 17,836,386,419.28 and 7,499,621,295.04 is: 10,350,299,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,890,778.56 : 17,836,386,419.28 = 7,499,621,295.04 : x
  2. Step 2: Convert to fraction form
    12,923,890,778.56/17,836,386,419.28 = 7,499,621,295.04/x
  3. Step 3: Cross multiply
    12,923,890,778.56x = 17,836,386,419.28 × 7,499,621,295.04
  4. Step 4: Simplify right side
    12,923,890,778.56x = 133,766,143,416,594,530,304
  5. Step 5: Solve for x
    x = 133,766,143,416,594,530,304/12,923,890,778.56
  6. Step 6: Final answer
    x = 10,350,299,743.98

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Double scale
Find fourth proportional to 12,923,890,779.56, 17,836,386,420.66 and 7,499,621,296.04
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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.