Home / 489,414,686.52-675,410,087.16-266,385,587.52

Finding the Fourth Proportional to 489,414,686.52, 675,410,087.16 and 266,385,587.52

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Solution

The fourth proportional to 489,414,686.52, 675,410,087.16 and 266,385,587.52 is: 367,621,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,414,686.52 : 675,410,087.16 = 266,385,587.52 : x
  2. Step 2: Convert to fraction form
    489,414,686.52/675,410,087.16 = 266,385,587.52/x
  3. Step 3: Cross multiply
    489,414,686.52x = 675,410,087.16 × 266,385,587.52
  4. Step 4: Simplify right side
    489,414,686.52x = 179,919,512,885,051,008
  5. Step 5: Solve for x
    x = 179,919,512,885,051,008/489,414,686.52
  6. Step 6: Final answer
    x = 367,621,809.97

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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.