Home / 8,091,490,667.80-12,137,236,001.70-5,297,953,336.60

Finding the Fourth Proportional to 8,091,490,667.80, 12,137,236,001.70 and 5,297,953,336.60

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Solution

The fourth proportional to 8,091,490,667.80, 12,137,236,001.70 and 5,297,953,336.60 is: 7,946,930,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,490,667.80 : 12,137,236,001.70 = 5,297,953,336.60 : x
  2. Step 2: Convert to fraction form
    8,091,490,667.80/12,137,236,001.70 = 5,297,953,336.60/x
  3. Step 3: Cross multiply
    8,091,490,667.80x = 12,137,236,001.70 × 5,297,953,336.60
  4. Step 4: Simplify right side
    8,091,490,667.80x = 64,302,509,972,308,164,608
  5. Step 5: Solve for x
    x = 64,302,509,972,308,164,608/8,091,490,667.80
  6. Step 6: Final answer
    x = 7,946,930,004.90

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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.