Home / 980,051,704.20-1,470,077,556.30-889,352,440.20

Finding the Fourth Proportional to 980,051,704.20, 1,470,077,556.30 and 889,352,440.20

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Solution

The fourth proportional to 980,051,704.20, 1,470,077,556.30 and 889,352,440.20 is: 1,334,028,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,051,704.20 : 1,470,077,556.30 = 889,352,440.20 : x
  2. Step 2: Convert to fraction form
    980,051,704.20/1,470,077,556.30 = 889,352,440.20/x
  3. Step 3: Cross multiply
    980,051,704.20x = 1,470,077,556.30 × 889,352,440.20
  4. Step 4: Simplify right side
    980,051,704.20x = 1,307,417,061,978,657,792
  5. Step 5: Solve for x
    x = 1,307,417,061,978,657,792/980,051,704.20
  6. Step 6: Final answer
    x = 1,334,028,660.30

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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.