Home / 880,776,422.80-1,321,122,643.80-298,453,555.60

Finding the Fourth Proportional to 880,776,422.80, 1,321,122,643.80 and 298,453,555.60

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Solution

The fourth proportional to 880,776,422.80, 1,321,122,643.80 and 298,453,555.60 is: 447,666,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,776,422.80 : 1,321,122,643.80 = 298,453,555.60 : x
  2. Step 2: Convert to fraction form
    880,776,422.80/1,321,122,643.80 = 298,453,555.60/x
  3. Step 3: Cross multiply
    880,776,422.80x = 1,321,122,643.80 × 298,453,555.60
  4. Step 4: Simplify right side
    880,776,422.80x = 394,293,750,425,782,336
  5. Step 5: Solve for x
    x = 394,293,750,425,782,336/880,776,422.80
  6. Step 6: Final answer
    x = 447,666,104.84

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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.