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Finding the Fourth Proportional to 598,391,674.80, 897,587,512.20 and 404,396,026.80

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Solution

The fourth proportional to 598,391,674.80, 897,587,512.20 and 404,396,026.80 is: 606,594,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,391,674.80 : 897,587,512.20 = 404,396,026.80 : x
  2. Step 2: Convert to fraction form
    598,391,674.80/897,587,512.20 = 404,396,026.80/x
  3. Step 3: Cross multiply
    598,391,674.80x = 897,587,512.20 × 404,396,026.80
  4. Step 4: Simplify right side
    598,391,674.80x = 362,980,823,638,976,576
  5. Step 5: Solve for x
    x = 362,980,823,638,976,576/598,391,674.80
  6. Step 6: Final answer
    x = 606,594,040.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.