Home / 16,892,043,205.80-25,338,064,808.70-12,981,487,751.40

Finding the Fourth Proportional to 16,892,043,205.80, 25,338,064,808.70 and 12,981,487,751.40

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Solution

The fourth proportional to 16,892,043,205.80, 25,338,064,808.70 and 12,981,487,751.40 is: 19,472,231,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892,043,205.80 : 25,338,064,808.70 = 12,981,487,751.40 : x
  2. Step 2: Convert to fraction form
    16,892,043,205.80/25,338,064,808.70 = 12,981,487,751.40/x
  3. Step 3: Cross multiply
    16,892,043,205.80x = 25,338,064,808.70 × 12,981,487,751.40
  4. Step 4: Simplify right side
    16,892,043,205.80x = 328,925,777,958,318,440,448
  5. Step 5: Solve for x
    x = 328,925,777,958,318,440,448/16,892,043,205.80
  6. Step 6: Final answer
    x = 19,472,231,627.10

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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.