Home / 330,096,519.45-455,523,563.79-188,963,061.60

Finding the Fourth Proportional to 330,096,519.45, 455,523,563.79 and 188,963,061.60

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Solution

The fourth proportional to 330,096,519.45, 455,523,563.79 and 188,963,061.60 is: 260,763,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,096,519.45 : 455,523,563.79 = 188,963,061.60 : x
  2. Step 2: Convert to fraction form
    330,096,519.45/455,523,563.79 = 188,963,061.60/x
  3. Step 3: Cross multiply
    330,096,519.45x = 455,523,563.79 × 188,963,061.60
  4. Step 4: Simplify right side
    330,096,519.45x = 86,077,127,244,701,296
  5. Step 5: Solve for x
    x = 86,077,127,244,701,296/330,096,519.45
  6. Step 6: Final answer
    x = 260,763,510.59

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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.