Home / 489,258,922.89-675,177,423.80-269,242,348.89

Finding the Fourth Proportional to 489,258,922.89, 675,177,423.80 and 269,242,348.89

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Solution

The fourth proportional to 489,258,922.89, 675,177,423.80 and 269,242,348.89 is: 371,554,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,258,922.89 : 675,177,423.80 = 269,242,348.89 : x
  2. Step 2: Convert to fraction form
    489,258,922.89/675,177,423.80 = 269,242,348.89/x
  3. Step 3: Cross multiply
    489,258,922.89x = 675,177,423.80 × 269,242,348.89
  4. Step 4: Simplify right side
    489,258,922.89x = 181,786,355,502,207,232
  5. Step 5: Solve for x
    x = 181,786,355,502,207,232/489,258,922.89
  6. Step 6: Final answer
    x = 371,554,502.12

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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.