Home / 219,936,257.60-329,904,386.40-218,592,564.80

Finding the Fourth Proportional to 219,936,257.60, 329,904,386.40 and 218,592,564.80

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Solution

The fourth proportional to 219,936,257.60, 329,904,386.40 and 218,592,564.80 is: 327,888,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,936,257.60 : 329,904,386.40 = 218,592,564.80 : x
  2. Step 2: Convert to fraction form
    219,936,257.60/329,904,386.40 = 218,592,564.80/x
  3. Step 3: Cross multiply
    219,936,257.60x = 329,904,386.40 × 218,592,564.80
  4. Step 4: Simplify right side
    219,936,257.60x = 72,114,645,961,946,240
  5. Step 5: Solve for x
    x = 72,114,645,961,946,240/219,936,257.60
  6. Step 6: Final answer
    x = 327,888,847.20

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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.