Home / 294,048,572.80-441,072,859.20-212,419,235.20

Finding the Fourth Proportional to 294,048,572.80, 441,072,859.20 and 212,419,235.20

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Solution

The fourth proportional to 294,048,572.80, 441,072,859.20 and 212,419,235.20 is: 318,628,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,048,572.80 : 441,072,859.20 = 212,419,235.20 : x
  2. Step 2: Convert to fraction form
    294,048,572.80/441,072,859.20 = 212,419,235.20/x
  3. Step 3: Cross multiply
    294,048,572.80x = 441,072,859.20 × 212,419,235.20
  4. Step 4: Simplify right side
    294,048,572.80x = 93,692,359,418,741,280
  5. Step 5: Solve for x
    x = 93,692,359,418,741,280/294,048,572.80
  6. Step 6: Final answer
    x = 318,628,852.80

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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.