Home / 8,805,890,807.90-13,208,836,211.85-8,132,448,772.70

Finding the Fourth Proportional to 8,805,890,807.90, 13,208,836,211.85 and 8,132,448,772.70

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Solution

The fourth proportional to 8,805,890,807.90, 13,208,836,211.85 and 8,132,448,772.70 is: 12,198,673,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,890,807.90 : 13,208,836,211.85 = 8,132,448,772.70 : x
  2. Step 2: Convert to fraction form
    8,805,890,807.90/13,208,836,211.85 = 8,132,448,772.70/x
  3. Step 3: Cross multiply
    8,805,890,807.90x = 13,208,836,211.85 × 8,132,448,772.70
  4. Step 4: Simplify right side
    8,805,890,807.90x = 107,420,183,839,854,854,144
  5. Step 5: Solve for x
    x = 107,420,183,839,854,854,144/8,805,890,807.90
  6. Step 6: Final answer
    x = 12,198,673,159.05

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Double scale
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Similar ratio
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1.5x scale

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.