Home / 342,202,257.60-513,240,400.80-212,577,892.80

Finding the Fourth Proportional to 342,202,257.60, 513,240,400.80 and 212,577,892.80

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Solution

The fourth proportional to 342,202,257.60, 513,240,400.80 and 212,577,892.80 is: 318,827,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,202,257.60 : 513,240,400.80 = 212,577,892.80 : x
  2. Step 2: Convert to fraction form
    342,202,257.60/513,240,400.80 = 212,577,892.80/x
  3. Step 3: Cross multiply
    342,202,257.60x = 513,240,400.80 × 212,577,892.80
  4. Step 4: Simplify right side
    342,202,257.60x = 109,103,562,901,891,440
  5. Step 5: Solve for x
    x = 109,103,562,901,891,440/342,202,257.60
  6. Step 6: Final answer
    x = 318,827,712.20

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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.