Home / 401,314,928.60-601,972,392.90-285,088,781.90

Finding the Fourth Proportional to 401,314,928.60, 601,972,392.90 and 285,088,781.90

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Solution

The fourth proportional to 401,314,928.60, 601,972,392.90 and 285,088,781.90 is: 427,633,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,314,928.60 : 601,972,392.90 = 285,088,781.90 : x
  2. Step 2: Convert to fraction form
    401,314,928.60/601,972,392.90 = 285,088,781.90/x
  3. Step 3: Cross multiply
    401,314,928.60x = 601,972,392.90 × 285,088,781.90
  4. Step 4: Simplify right side
    401,314,928.60x = 171,615,576,229,289,184
  5. Step 5: Solve for x
    x = 171,615,576,229,289,184/401,314,928.60
  6. Step 6: Final answer
    x = 427,633,172.85

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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.