Home / 8,361,792,014.40-12,542,688,021.60-6,813,857,908.80

Finding the Fourth Proportional to 8,361,792,014.40, 12,542,688,021.60 and 6,813,857,908.80

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Solution

The fourth proportional to 8,361,792,014.40, 12,542,688,021.60 and 6,813,857,908.80 is: 10,220,786,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,792,014.40 : 12,542,688,021.60 = 6,813,857,908.80 : x
  2. Step 2: Convert to fraction form
    8,361,792,014.40/12,542,688,021.60 = 6,813,857,908.80/x
  3. Step 3: Cross multiply
    8,361,792,014.40x = 12,542,688,021.60 × 6,813,857,908.80
  4. Step 4: Simplify right side
    8,361,792,014.40x = 85,464,093,973,590,196,224
  5. Step 5: Solve for x
    x = 85,464,093,973,590,196,224/8,361,792,014.40
  6. Step 6: Final answer
    x = 10,220,786,863.20

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Double scale
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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.