Home / 485,295,964.20-727,943,946.30-370,504,708.20

Finding the Fourth Proportional to 485,295,964.20, 727,943,946.30 and 370,504,708.20

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Solution

The fourth proportional to 485,295,964.20, 727,943,946.30 and 370,504,708.20 is: 555,757,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,295,964.20 : 727,943,946.30 = 370,504,708.20 : x
  2. Step 2: Convert to fraction form
    485,295,964.20/727,943,946.30 = 370,504,708.20/x
  3. Step 3: Cross multiply
    485,295,964.20x = 727,943,946.30 × 370,504,708.20
  4. Step 4: Simplify right side
    485,295,964.20x = 269,706,659,409,837,952
  5. Step 5: Solve for x
    x = 269,706,659,409,837,952/485,295,964.20
  6. Step 6: Final answer
    x = 555,757,062.30

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