Home / 20,165,083,287.35-30,247,209,562.83-6,720,343,551.11

Finding the Fourth Proportional to 20,165,083,287.35, 30,247,209,562.83 and 6,720,343,551.11

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Solution

The fourth proportional to 20,165,083,287.35, 30,247,209,562.83 and 6,720,343,551.11 is: 10,080,376,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,083,287.35 : 30,247,209,562.83 = 6,720,343,551.11 : x
  2. Step 2: Convert to fraction form
    20,165,083,287.35/30,247,209,562.83 = 6,720,343,551.11/x
  3. Step 3: Cross multiply
    20,165,083,287.35x = 30,247,209,562.83 × 6,720,343,551.11
  4. Step 4: Simplify right side
    20,165,083,287.35x = 203,271,639,724,459,196,416
  5. Step 5: Solve for x
    x = 203,271,639,724,459,196,416/20,165,083,287.35
  6. Step 6: Final answer
    x = 10,080,376,898.42

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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.