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Finding the Fourth Proportional to 8,288,547,891.90, 12,432,821,837.85 and 8,288,547,891.90

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Solution

The fourth proportional to 8,288,547,891.90, 12,432,821,837.85 and 8,288,547,891.90 is: 12,432,821,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288,547,891.90 : 12,432,821,837.85 = 8,288,547,891.90 : x
  2. Step 2: Convert to fraction form
    8,288,547,891.90/12,432,821,837.85 = 8,288,547,891.90/x
  3. Step 3: Cross multiply
    8,288,547,891.90x = 12,432,821,837.85 × 8,288,547,891.90
  4. Step 4: Simplify right side
    8,288,547,891.90x = 103,050,039,234,479,898,624
  5. Step 5: Solve for x
    x = 103,050,039,234,479,898,624/8,288,547,891.90
  6. Step 6: Final answer
    x = 12,432,821,837.85

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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.