Home / 401,146,900.42-553,348,188.32-252,232,260.66

Finding the Fourth Proportional to 401,146,900.42, 553,348,188.32 and 252,232,260.66

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Solution

The fourth proportional to 401,146,900.42, 553,348,188.32 and 252,232,260.66 is: 347,933,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,146,900.42 : 553,348,188.32 = 252,232,260.66 : x
  2. Step 2: Convert to fraction form
    401,146,900.42/553,348,188.32 = 252,232,260.66/x
  3. Step 3: Cross multiply
    401,146,900.42x = 553,348,188.32 × 252,232,260.66
  4. Step 4: Simplify right side
    401,146,900.42x = 139,572,264,472,069,024
  5. Step 5: Solve for x
    x = 139,572,264,472,069,024/401,146,900.42
  6. Step 6: Final answer
    x = 347,933,049.78

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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.