Home / 489,407,212.65-675,396,307.87-266,403,440.87

Finding the Fourth Proportional to 489,407,212.65, 675,396,307.87 and 266,403,440.87

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Solution

The fourth proportional to 489,407,212.65, 675,396,307.87 and 266,403,440.87 is: 367,644,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,407,212.65 : 675,396,307.87 = 266,403,440.87 : x
  2. Step 2: Convert to fraction form
    489,407,212.65/675,396,307.87 = 266,403,440.87/x
  3. Step 3: Cross multiply
    489,407,212.65x = 675,396,307.87 × 266,403,440.87
  4. Step 4: Simplify right side
    489,407,212.65x = 179,927,900,367,454,112
  5. Step 5: Solve for x
    x = 179,927,900,367,454,112/489,407,212.65
  6. Step 6: Final answer
    x = 367,644,562.06

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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.