Home / 401,146,895.41-553,348,181.43-252,232,255.67

Finding the Fourth Proportional to 401,146,895.41, 553,348,181.43 and 252,232,255.67

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Solution

The fourth proportional to 401,146,895.41, 553,348,181.43 and 252,232,255.67 is: 347,933,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,146,895.41 : 553,348,181.43 = 252,232,255.67 : x
  2. Step 2: Convert to fraction form
    401,146,895.41/553,348,181.43 = 252,232,255.67/x
  3. Step 3: Cross multiply
    401,146,895.41x = 553,348,181.43 × 252,232,255.67
  4. Step 4: Simplify right side
    401,146,895.41x = 139,572,259,970,214,544
  5. Step 5: Solve for x
    x = 139,572,259,970,214,544/401,146,895.41
  6. Step 6: Final answer
    x = 347,933,042.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.