Home / 400,297,369.42-600,833,378.58-193,181,580.64

Finding the Fourth Proportional to 400,297,369.42, 600,833,378.58 and 193,181,580.64

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Solution

The fourth proportional to 400,297,369.42, 600,833,378.58 and 193,181,580.64 is: 289,959,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,297,369.42 : 600,833,378.58 = 193,181,580.64 : x
  2. Step 2: Convert to fraction form
    400,297,369.42/600,833,378.58 = 193,181,580.64/x
  3. Step 3: Cross multiply
    400,297,369.42x = 600,833,378.58 × 193,181,580.64
  4. Step 4: Simplify right side
    400,297,369.42x = 116,069,941,775,355,920
  5. Step 5: Solve for x
    x = 116,069,941,775,355,920/400,297,369.42
  6. Step 6: Final answer
    x = 289,959,291.87

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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.