Home / 20,165,083,288.85-30,247,209,565.08-6,720,343,552.61

Finding the Fourth Proportional to 20,165,083,288.85, 30,247,209,565.08 and 6,720,343,552.61

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Solution

The fourth proportional to 20,165,083,288.85, 30,247,209,565.08 and 6,720,343,552.61 is: 10,080,376,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,083,288.85 : 30,247,209,565.08 = 6,720,343,552.61 : x
  2. Step 2: Convert to fraction form
    20,165,083,288.85/30,247,209,565.08 = 6,720,343,552.61/x
  3. Step 3: Cross multiply
    20,165,083,288.85x = 30,247,209,565.08 × 6,720,343,552.61
  4. Step 4: Simplify right side
    20,165,083,288.85x = 203,271,639,785,128,886,272
  5. Step 5: Solve for x
    x = 203,271,639,785,128,886,272/20,165,083,288.85
  6. Step 6: Final answer
    x = 10,080,376,900.68

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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.