Home / 455,327,706.02-682,889,338.35-209,448,194.90

Finding the Fourth Proportional to 455,327,706.02, 682,889,338.35 and 209,448,194.90

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Solution

The fourth proportional to 455,327,706.02, 682,889,338.35 and 209,448,194.90 is: 314,125,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,327,706.02 : 682,889,338.35 = 209,448,194.90 : x
  2. Step 2: Convert to fraction form
    455,327,706.02/682,889,338.35 = 209,448,194.90/x
  3. Step 3: Cross multiply
    455,327,706.02x = 682,889,338.35 × 209,448,194.90
  4. Step 4: Simplify right side
    455,327,706.02x = 143,029,939,233,862,848
  5. Step 5: Solve for x
    x = 143,029,939,233,862,848/455,327,706.02
  6. Step 6: Final answer
    x = 314,125,271.41

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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.