Home / 489,377,707.39-675,344,044.80-266,358,857.15

Finding the Fourth Proportional to 489,377,707.39, 675,344,044.80 and 266,358,857.15

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Solution

The fourth proportional to 489,377,707.39, 675,344,044.80 and 266,358,857.15 is: 367,576,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,377,707.39 : 675,344,044.80 = 266,358,857.15 : x
  2. Step 2: Convert to fraction form
    489,377,707.39/675,344,044.80 = 266,358,857.15/x
  3. Step 3: Cross multiply
    489,377,707.39x = 675,344,044.80 × 266,358,857.15
  4. Step 4: Simplify right side
    489,377,707.39x = 179,883,867,957,674,752
  5. Step 5: Solve for x
    x = 179,883,867,957,674,752/489,377,707.39
  6. Step 6: Final answer
    x = 367,576,751.54

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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.