Home / 303,447,621.40-455,171,432.10-271,136,008.60

Finding the Fourth Proportional to 303,447,621.40, 455,171,432.10 and 271,136,008.60

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Solution

The fourth proportional to 303,447,621.40, 455,171,432.10 and 271,136,008.60 is: 406,704,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,447,621.40 : 455,171,432.10 = 271,136,008.60 : x
  2. Step 2: Convert to fraction form
    303,447,621.40/455,171,432.10 = 271,136,008.60/x
  3. Step 3: Cross multiply
    303,447,621.40x = 455,171,432.10 × 271,136,008.60
  4. Step 4: Simplify right side
    303,447,621.40x = 123,413,365,328,339,936
  5. Step 5: Solve for x
    x = 123,413,365,328,339,936/303,447,621.40
  6. Step 6: Final answer
    x = 406,704,012.90

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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.