Home / 221,616,003.40-332,424,005.10-219,348,521.80

Finding the Fourth Proportional to 221,616,003.40, 332,424,005.10 and 219,348,521.80

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Solution

The fourth proportional to 221,616,003.40, 332,424,005.10 and 219,348,521.80 is: 329,022,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,003.40 : 332,424,005.10 = 219,348,521.80 : x
  2. Step 2: Convert to fraction form
    221,616,003.40/332,424,005.10 = 219,348,521.80/x
  3. Step 3: Cross multiply
    221,616,003.40x = 332,424,005.10 × 219,348,521.80
  4. Step 4: Simplify right side
    221,616,003.40x = 72,916,714,129,520,672
  5. Step 5: Solve for x
    x = 72,916,714,129,520,672/221,616,003.40
  6. Step 6: Final answer
    x = 329,022,782.70

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1.5x scale

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.