Home / 8,361,792,003.40-12,542,688,005.10-6,813,857,897.80

Finding the Fourth Proportional to 8,361,792,003.40, 12,542,688,005.10 and 6,813,857,897.80

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Solution

The fourth proportional to 8,361,792,003.40, 12,542,688,005.10 and 6,813,857,897.80 is: 10,220,786,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,792,003.40 : 12,542,688,005.10 = 6,813,857,897.80 : x
  2. Step 2: Convert to fraction form
    8,361,792,003.40/12,542,688,005.10 = 6,813,857,897.80/x
  3. Step 3: Cross multiply
    8,361,792,003.40x = 12,542,688,005.10 × 6,813,857,897.80
  4. Step 4: Simplify right side
    8,361,792,003.40x = 85,464,093,723,191,967,744
  5. Step 5: Solve for x
    x = 85,464,093,723,191,967,744/8,361,792,003.40
  6. Step 6: Final answer
    x = 10,220,786,846.70

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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.