Home / 377,274,608.64-520,633,626.96-212,261,784.48

Finding the Fourth Proportional to 377,274,608.64, 520,633,626.96 and 212,261,784.48

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Solution

The fourth proportional to 377,274,608.64, 520,633,626.96 and 212,261,784.48 is: 292,918,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,274,608.64 : 520,633,626.96 = 212,261,784.48 : x
  2. Step 2: Convert to fraction form
    377,274,608.64/520,633,626.96 = 212,261,784.48/x
  3. Step 3: Cross multiply
    377,274,608.64x = 520,633,626.96 × 212,261,784.48
  4. Step 4: Simplify right side
    377,274,608.64x = 110,510,622,718,824,224
  5. Step 5: Solve for x
    x = 110,510,622,718,824,224/377,274,608.64
  6. Step 6: Final answer
    x = 292,918,262.16

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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.