Home / 562,610,267.12-843,588,280.32-212,883,351.41

Finding the Fourth Proportional to 562,610,267.12, 843,588,280.32 and 212,883,351.41

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Solution

The fourth proportional to 562,610,267.12, 843,588,280.32 and 212,883,351.41 is: 319,201,249.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,610,267.12 : 843,588,280.32 = 212,883,351.41 : x
  2. Step 2: Convert to fraction form
    562,610,267.12/843,588,280.32 = 212,883,351.41/x
  3. Step 3: Cross multiply
    562,610,267.12x = 843,588,280.32 × 212,883,351.41
  4. Step 4: Simplify right side
    562,610,267.12x = 179,585,900,324,720,160
  5. Step 5: Solve for x
    x = 179,585,900,324,720,160/562,610,267.12
  6. Step 6: Final answer
    x = 319,201,249.64

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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.