Home / 318,365,131.46-477,645,157.20-163,028,923.29

Finding the Fourth Proportional to 318,365,131.46, 477,645,157.20 and 163,028,923.29

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Solution

The fourth proportional to 318,365,131.46, 477,645,157.20 and 163,028,923.29 is: 244,593,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,365,131.46 : 477,645,157.20 = 163,028,923.29 : x
  2. Step 2: Convert to fraction form
    318,365,131.46/477,645,157.20 = 163,028,923.29/x
  3. Step 3: Cross multiply
    318,365,131.46x = 477,645,157.20 × 163,028,923.29
  4. Step 4: Simplify right side
    318,365,131.46x = 77,869,975,692,998,784
  5. Step 5: Solve for x
    x = 77,869,975,692,998,784/318,365,131.46
  6. Step 6: Final answer
    x = 244,593,292.41

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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.