Home / 20,165,083,291.85-30,247,209,569.58-6,720,343,555.61

Finding the Fourth Proportional to 20,165,083,291.85, 30,247,209,569.58 and 6,720,343,555.61

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Solution

The fourth proportional to 20,165,083,291.85, 30,247,209,569.58 and 6,720,343,555.61 is: 10,080,376,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,083,291.85 : 30,247,209,569.58 = 6,720,343,555.61 : x
  2. Step 2: Convert to fraction form
    20,165,083,291.85/30,247,209,569.58 = 6,720,343,555.61/x
  3. Step 3: Cross multiply
    20,165,083,291.85x = 30,247,209,569.58 × 6,720,343,555.61
  4. Step 4: Simplify right side
    20,165,083,291.85x = 203,271,639,906,112,077,824
  5. Step 5: Solve for x
    x = 203,271,639,906,112,077,824/20,165,083,291.85
  6. Step 6: Final answer
    x = 10,080,376,905.18

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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.