Home / 722,339,916.03-996,834,185.96-392,315,055.03

Finding the Fourth Proportional to 722,339,916.03, 996,834,185.96 and 392,315,055.03

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Solution

The fourth proportional to 722,339,916.03, 996,834,185.96 and 392,315,055.03 is: 541,397,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,339,916.03 : 996,834,185.96 = 392,315,055.03 : x
  2. Step 2: Convert to fraction form
    722,339,916.03/996,834,185.96 = 392,315,055.03/x
  3. Step 3: Cross multiply
    722,339,916.03x = 996,834,185.96 × 392,315,055.03
  4. Step 4: Simplify right side
    722,339,916.03x = 391,073,058,520,682,624
  5. Step 5: Solve for x
    x = 391,073,058,520,682,624/722,339,916.03
  6. Step 6: Final answer
    x = 541,397,546.84

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1.5x scale

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.