Home / 330,095,514.60-495,143,271.90-221,256,397.80

Finding the Fourth Proportional to 330,095,514.60, 495,143,271.90 and 221,256,397.80

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Solution

The fourth proportional to 330,095,514.60, 495,143,271.90 and 221,256,397.80 is: 331,884,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,095,514.60 : 495,143,271.90 = 221,256,397.80 : x
  2. Step 2: Convert to fraction form
    330,095,514.60/495,143,271.90 = 221,256,397.80/x
  3. Step 3: Cross multiply
    330,095,514.60x = 495,143,271.90 × 221,256,397.80
  4. Step 4: Simplify right side
    330,095,514.60x = 109,553,616,735,499,968
  5. Step 5: Solve for x
    x = 109,553,616,735,499,968/330,095,514.60
  6. Step 6: Final answer
    x = 331,884,596.70

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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.