Home / 822,531,002.46-1,233,799,390.56-209,115,293.82

Finding the Fourth Proportional to 822,531,002.46, 1,233,799,390.56 and 209,115,293.82

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Solution

The fourth proportional to 822,531,002.46, 1,233,799,390.56 and 209,115,293.82 is: 313,673,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,531,002.46 : 1,233,799,390.56 = 209,115,293.82 : x
  2. Step 2: Convert to fraction form
    822,531,002.46/1,233,799,390.56 = 209,115,293.82/x
  3. Step 3: Cross multiply
    822,531,002.46x = 1,233,799,390.56 × 209,115,293.82
  4. Step 4: Simplify right side
    822,531,002.46x = 258,006,322,071,891,328
  5. Step 5: Solve for x
    x = 258,006,322,071,891,328/822,531,002.46
  6. Step 6: Final answer
    x = 313,673,674.67

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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.