Home / 369,527,333.21-509,971,391.92-212,891,593.85

Finding the Fourth Proportional to 369,527,333.21, 509,971,391.92 and 212,891,593.85

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Solution

The fourth proportional to 369,527,333.21, 509,971,391.92 and 212,891,593.85 is: 293,804,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,527,333.21 : 509,971,391.92 = 212,891,593.85 : x
  2. Step 2: Convert to fraction form
    369,527,333.21/509,971,391.92 = 212,891,593.85/x
  3. Step 3: Cross multiply
    369,527,333.21x = 509,971,391.92 × 212,891,593.85
  4. Step 4: Simplify right side
    369,527,333.21x = 108,568,622,445,292,848
  5. Step 5: Solve for x
    x = 108,568,622,445,292,848/369,527,333.21
  6. Step 6: Final answer
    x = 293,804,037.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.