Home / 220,374,259.20-330,561,388.80-196,565,702.40

Finding the Fourth Proportional to 220,374,259.20, 330,561,388.80 and 196,565,702.40

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Solution

The fourth proportional to 220,374,259.20, 330,561,388.80 and 196,565,702.40 is: 294,848,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,374,259.20 : 330,561,388.80 = 196,565,702.40 : x
  2. Step 2: Convert to fraction form
    220,374,259.20/330,561,388.80 = 196,565,702.40/x
  3. Step 3: Cross multiply
    220,374,259.20x = 330,561,388.80 × 196,565,702.40
  4. Step 4: Simplify right side
    220,374,259.20x = 64,977,031,575,791,496
  5. Step 5: Solve for x
    x = 64,977,031,575,791,496/220,374,259.20
  6. Step 6: Final answer
    x = 294,848,553.60

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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.