Home / 455,327,710.02-682,889,344.35-209,448,198.90

Finding the Fourth Proportional to 455,327,710.02, 682,889,344.35 and 209,448,198.90

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Solution

The fourth proportional to 455,327,710.02, 682,889,344.35 and 209,448,198.90 is: 314,125,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,327,710.02 : 682,889,344.35 = 209,448,198.90 : x
  2. Step 2: Convert to fraction form
    455,327,710.02/682,889,344.35 = 209,448,198.90/x
  3. Step 3: Cross multiply
    455,327,710.02x = 682,889,344.35 × 209,448,198.90
  4. Step 4: Simplify right side
    455,327,710.02x = 143,029,943,222,109,408
  5. Step 5: Solve for x
    x = 143,029,943,222,109,408/455,327,710.02
  6. Step 6: Final answer
    x = 314,125,277.41

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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.