Home / 330,069,751.20-495,423,491.40-200,929,588.20

Finding the Fourth Proportional to 330,069,751.20, 495,423,491.40 and 200,929,588.20

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Solution

The fourth proportional to 330,069,751.20, 495,423,491.40 and 200,929,588.20 is: 301,588,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,069,751.20 : 495,423,491.40 = 200,929,588.20 : x
  2. Step 2: Convert to fraction form
    330,069,751.20/495,423,491.40 = 200,929,588.20/x
  3. Step 3: Cross multiply
    330,069,751.20x = 495,423,491.40 × 200,929,588.20
  4. Step 4: Simplify right side
    330,069,751.20x = 99,545,238,111,608,224
  5. Step 5: Solve for x
    x = 99,545,238,111,608,224/330,069,751.20
  6. Step 6: Final answer
    x = 301,588,490.77

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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.