Home / 8,091,490,673.80-12,137,236,010.70-5,297,953,342.60

Finding the Fourth Proportional to 8,091,490,673.80, 12,137,236,010.70 and 5,297,953,342.60

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Solution

The fourth proportional to 8,091,490,673.80, 12,137,236,010.70 and 5,297,953,342.60 is: 7,946,930,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,490,673.80 : 12,137,236,010.70 = 5,297,953,342.60 : x
  2. Step 2: Convert to fraction form
    8,091,490,673.80/12,137,236,010.70 = 5,297,953,342.60/x
  3. Step 3: Cross multiply
    8,091,490,673.80x = 12,137,236,010.70 × 5,297,953,342.60
  4. Step 4: Simplify right side
    8,091,490,673.80x = 64,302,510,092,813,164,544
  5. Step 5: Solve for x
    x = 64,302,510,092,813,164,544/8,091,490,673.80
  6. Step 6: Final answer
    x = 7,946,930,013.90

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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.