Home / 541,826,886.04-747,783,131.68-303,736,376.34

Finding the Fourth Proportional to 541,826,886.04, 747,783,131.68 and 303,736,376.34

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Solution

The fourth proportional to 541,826,886.04, 747,783,131.68 and 303,736,376.34 is: 419,190,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,826,886.04 : 747,783,131.68 = 303,736,376.34 : x
  2. Step 2: Convert to fraction form
    541,826,886.04/747,783,131.68 = 303,736,376.34/x
  3. Step 3: Cross multiply
    541,826,886.04x = 747,783,131.68 × 303,736,376.34
  4. Step 4: Simplify right side
    541,826,886.04x = 227,128,938,704,660,224
  5. Step 5: Solve for x
    x = 227,128,938,704,660,224/541,826,886.04
  6. Step 6: Final answer
    x = 419,190,971.43

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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.