Home / 8,127,103,205.80-12,190,654,808.70-6,494,516,453.80

Finding the Fourth Proportional to 8,127,103,205.80, 12,190,654,808.70 and 6,494,516,453.80

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Solution

The fourth proportional to 8,127,103,205.80, 12,190,654,808.70 and 6,494,516,453.80 is: 9,741,774,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,103,205.80 : 12,190,654,808.70 = 6,494,516,453.80 : x
  2. Step 2: Convert to fraction form
    8,127,103,205.80/12,190,654,808.70 = 6,494,516,453.80/x
  3. Step 3: Cross multiply
    8,127,103,205.80x = 12,190,654,808.70 × 6,494,516,453.80
  4. Step 4: Simplify right side
    8,127,103,205.80x = 79,172,408,237,698,252,800
  5. Step 5: Solve for x
    x = 79,172,408,237,698,252,800/8,127,103,205.80
  6. Step 6: Final answer
    x = 9,741,774,680.70

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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.