Home / 329,549,603.40-494,324,405.10-253,257,712.20

Finding the Fourth Proportional to 329,549,603.40, 494,324,405.10 and 253,257,712.20

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Solution

The fourth proportional to 329,549,603.40, 494,324,405.10 and 253,257,712.20 is: 379,886,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,549,603.40 : 494,324,405.10 = 253,257,712.20 : x
  2. Step 2: Convert to fraction form
    329,549,603.40/494,324,405.10 = 253,257,712.20/x
  3. Step 3: Cross multiply
    329,549,603.40x = 494,324,405.10 × 253,257,712.20
  4. Step 4: Simplify right side
    329,549,603.40x = 125,191,467,920,252,016
  5. Step 5: Solve for x
    x = 125,191,467,920,252,016/329,549,603.40
  6. Step 6: Final answer
    x = 379,886,568.30

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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.