Home / 12,248,064,811.60-18,372,097,217.40-7,002,288,120.40

Finding the Fourth Proportional to 12,248,064,811.60, 18,372,097,217.40 and 7,002,288,120.40

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Solution

The fourth proportional to 12,248,064,811.60, 18,372,097,217.40 and 7,002,288,120.40 is: 10,503,432,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,064,811.60 : 18,372,097,217.40 = 7,002,288,120.40 : x
  2. Step 2: Convert to fraction form
    12,248,064,811.60/18,372,097,217.40 = 7,002,288,120.40/x
  3. Step 3: Cross multiply
    12,248,064,811.60x = 18,372,097,217.40 × 7,002,288,120.40
  4. Step 4: Simplify right side
    12,248,064,811.60x = 128,646,718,092,233,916,416
  5. Step 5: Solve for x
    x = 128,646,718,092,233,916,416/12,248,064,811.60
  6. Step 6: Final answer
    x = 10,503,432,180.60

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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.