Home / 403,551,636.80-605,327,455.20-400,150,414.40

Finding the Fourth Proportional to 403,551,636.80, 605,327,455.20 and 400,150,414.40

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Solution

The fourth proportional to 403,551,636.80, 605,327,455.20 and 400,150,414.40 is: 600,225,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,551,636.80 : 605,327,455.20 = 400,150,414.40 : x
  2. Step 2: Convert to fraction form
    403,551,636.80/605,327,455.20 = 400,150,414.40/x
  3. Step 3: Cross multiply
    403,551,636.80x = 605,327,455.20 × 400,150,414.40
  4. Step 4: Simplify right side
    403,551,636.80x = 242,222,032,045,977,440
  5. Step 5: Solve for x
    x = 242,222,032,045,977,440/403,551,636.80
  6. Step 6: Final answer
    x = 600,225,621.60

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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.