Home / 980,051,669.70-1,470,077,504.55-889,352,405.70

Finding the Fourth Proportional to 980,051,669.70, 1,470,077,504.55 and 889,352,405.70

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Solution

The fourth proportional to 980,051,669.70, 1,470,077,504.55 and 889,352,405.70 is: 1,334,028,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,051,669.70 : 1,470,077,504.55 = 889,352,405.70 : x
  2. Step 2: Convert to fraction form
    980,051,669.70/1,470,077,504.55 = 889,352,405.70/x
  3. Step 3: Cross multiply
    980,051,669.70x = 1,470,077,504.55 × 889,352,405.70
  4. Step 4: Simplify right side
    980,051,669.70x = 1,307,416,965,236,995,328
  5. Step 5: Solve for x
    x = 1,307,416,965,236,995,328/980,051,669.70
  6. Step 6: Final answer
    x = 1,334,028,608.55

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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.