Home / 27,280,642,778.80-40,920,964,168.20-15,526,018,164.40

Finding the Fourth Proportional to 27,280,642,778.80, 40,920,964,168.20 and 15,526,018,164.40

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Solution

The fourth proportional to 27,280,642,778.80, 40,920,964,168.20 and 15,526,018,164.40 is: 23,289,027,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280,642,778.80 : 40,920,964,168.20 = 15,526,018,164.40 : x
  2. Step 2: Convert to fraction form
    27,280,642,778.80/40,920,964,168.20 = 15,526,018,164.40/x
  3. Step 3: Cross multiply
    27,280,642,778.80x = 40,920,964,168.20 × 15,526,018,164.40
  4. Step 4: Simplify right side
    27,280,642,778.80x = 635,339,632,980,234,731,520
  5. Step 5: Solve for x
    x = 635,339,632,980,234,731,520/27,280,642,778.80
  6. Step 6: Final answer
    x = 23,289,027,246.60

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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.