Home / 8,168,812,676.80-12,253,219,015.20-7,006,551,209.80

Finding the Fourth Proportional to 8,168,812,676.80, 12,253,219,015.20 and 7,006,551,209.80

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Solution

The fourth proportional to 8,168,812,676.80, 12,253,219,015.20 and 7,006,551,209.80 is: 10,509,826,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,812,676.80 : 12,253,219,015.20 = 7,006,551,209.80 : x
  2. Step 2: Convert to fraction form
    8,168,812,676.80/12,253,219,015.20 = 7,006,551,209.80/x
  3. Step 3: Cross multiply
    8,168,812,676.80x = 12,253,219,015.20 × 7,006,551,209.80
  4. Step 4: Simplify right side
    8,168,812,676.80x = 85,852,806,514,893,930,496
  5. Step 5: Solve for x
    x = 85,852,806,514,893,930,496/8,168,812,676.80
  6. Step 6: Final answer
    x = 10,509,826,814.70

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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.