Home / 420,053,895.60-630,080,843.40-362,611,028.40

Finding the Fourth Proportional to 420,053,895.60, 630,080,843.40 and 362,611,028.40

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Solution

The fourth proportional to 420,053,895.60, 630,080,843.40 and 362,611,028.40 is: 543,916,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,053,895.60 : 630,080,843.40 = 362,611,028.40 : x
  2. Step 2: Convert to fraction form
    420,053,895.60/630,080,843.40 = 362,611,028.40/x
  3. Step 3: Cross multiply
    420,053,895.60x = 630,080,843.40 × 362,611,028.40
  4. Step 4: Simplify right side
    420,053,895.60x = 228,474,262,600,413,344
  5. Step 5: Solve for x
    x = 228,474,262,600,413,344/420,053,895.60
  6. Step 6: Final answer
    x = 543,916,542.60

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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.