Home / 772,419,401.20-1,158,629,101.80-254,929,711.60

Finding the Fourth Proportional to 772,419,401.20, 1,158,629,101.80 and 254,929,711.60

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Solution

The fourth proportional to 772,419,401.20, 1,158,629,101.80 and 254,929,711.60 is: 382,394,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,419,401.20 : 1,158,629,101.80 = 254,929,711.60 : x
  2. Step 2: Convert to fraction form
    772,419,401.20/1,158,629,101.80 = 254,929,711.60/x
  3. Step 3: Cross multiply
    772,419,401.20x = 1,158,629,101.80 × 254,929,711.60
  4. Step 4: Simplify right side
    772,419,401.20x = 295,368,982,773,241,024
  5. Step 5: Solve for x
    x = 295,368,982,773,241,024/772,419,401.20
  6. Step 6: Final answer
    x = 382,394,567.40

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1.5x scale

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.