Home / 314,928,637.80-472,392,956.70-216,293,188.20

Finding the Fourth Proportional to 314,928,637.80, 472,392,956.70 and 216,293,188.20

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Solution

The fourth proportional to 314,928,637.80, 472,392,956.70 and 216,293,188.20 is: 324,439,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,637.80 : 472,392,956.70 = 216,293,188.20 : x
  2. Step 2: Convert to fraction form
    314,928,637.80/472,392,956.70 = 216,293,188.20/x
  3. Step 3: Cross multiply
    314,928,637.80x = 472,392,956.70 × 216,293,188.20
  4. Step 4: Simplify right side
    314,928,637.80x = 102,175,378,687,867,536
  5. Step 5: Solve for x
    x = 102,175,378,687,867,536/314,928,637.80
  6. Step 6: Final answer
    x = 324,439,782.30

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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.