Home / 330,032,866.50-454,990,255.56-263,278,391.18

Finding the Fourth Proportional to 330,032,866.50, 454,990,255.56 and 263,278,391.18

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Solution

The fourth proportional to 330,032,866.50, 454,990,255.56 and 263,278,391.18 is: 362,961,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,032,866.50 : 454,990,255.56 = 263,278,391.18 : x
  2. Step 2: Convert to fraction form
    330,032,866.50/454,990,255.56 = 263,278,391.18/x
  3. Step 3: Cross multiply
    330,032,866.50x = 454,990,255.56 × 263,278,391.18
  4. Step 4: Simplify right side
    330,032,866.50x = 119,789,102,484,138,912
  5. Step 5: Solve for x
    x = 119,789,102,484,138,912/330,032,866.50
  6. Step 6: Final answer
    x = 362,961,130.98

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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.