Home / 497,712,492.30-746,568,738.45-394,919,993.10

Finding the Fourth Proportional to 497,712,492.30, 746,568,738.45 and 394,919,993.10

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Solution

The fourth proportional to 497,712,492.30, 746,568,738.45 and 394,919,993.10 is: 592,379,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,712,492.30 : 746,568,738.45 = 394,919,993.10 : x
  2. Step 2: Convert to fraction form
    497,712,492.30/746,568,738.45 = 394,919,993.10/x
  3. Step 3: Cross multiply
    497,712,492.30x = 746,568,738.45 × 394,919,993.10
  4. Step 4: Simplify right side
    497,712,492.30x = 294,834,921,037,349,760
  5. Step 5: Solve for x
    x = 294,834,921,037,349,760/497,712,492.30
  6. Step 6: Final answer
    x = 592,379,989.65

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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.