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Finding the Fourth Proportional to 8,288,547,815.15, 12,432,821,722.73 and 8,288,547,815.15

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Solution

The fourth proportional to 8,288,547,815.15, 12,432,821,722.73 and 8,288,547,815.15 is: 12,432,821,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288,547,815.15 : 12,432,821,722.73 = 8,288,547,815.15 : x
  2. Step 2: Convert to fraction form
    8,288,547,815.15/12,432,821,722.73 = 8,288,547,815.15/x
  3. Step 3: Cross multiply
    8,288,547,815.15x = 12,432,821,722.73 × 8,288,547,815.15
  4. Step 4: Simplify right side
    8,288,547,815.15x = 103,050,037,326,041,759,744
  5. Step 5: Solve for x
    x = 103,050,037,326,041,759,744/8,288,547,815.15
  6. Step 6: Final answer
    x = 12,432,821,722.73

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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.