Home / 8,808,221,378.40-13,212,332,067.60-5,325,369,640.80

Finding the Fourth Proportional to 8,808,221,378.40, 13,212,332,067.60 and 5,325,369,640.80

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Solution

The fourth proportional to 8,808,221,378.40, 13,212,332,067.60 and 5,325,369,640.80 is: 7,988,054,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,221,378.40 : 13,212,332,067.60 = 5,325,369,640.80 : x
  2. Step 2: Convert to fraction form
    8,808,221,378.40/13,212,332,067.60 = 5,325,369,640.80/x
  3. Step 3: Cross multiply
    8,808,221,378.40x = 13,212,332,067.60 × 5,325,369,640.80
  4. Step 4: Simplify right side
    8,808,221,378.40x = 70,360,552,076,965,339,136
  5. Step 5: Solve for x
    x = 70,360,552,076,965,339,136/8,808,221,378.40
  6. Step 6: Final answer
    x = 7,988,054,461.20

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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.