Home / 306,040,209.60-459,060,314.40-303,170,428.20

Finding the Fourth Proportional to 306,040,209.60, 459,060,314.40 and 303,170,428.20

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Solution

The fourth proportional to 306,040,209.60, 459,060,314.40 and 303,170,428.20 is: 454,755,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,040,209.60 : 459,060,314.40 = 303,170,428.20 : x
  2. Step 2: Convert to fraction form
    306,040,209.60/459,060,314.40 = 303,170,428.20/x
  3. Step 3: Cross multiply
    306,040,209.60x = 459,060,314.40 × 303,170,428.20
  4. Step 4: Simplify right side
    306,040,209.60x = 139,173,512,086,274,608
  5. Step 5: Solve for x
    x = 139,173,512,086,274,608/306,040,209.60
  6. Step 6: Final answer
    x = 454,755,642.30

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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.