Home / 409,420,685.45-564,937,410.57-233,186,213.84

Finding the Fourth Proportional to 409,420,685.45, 564,937,410.57 and 233,186,213.84

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Solution

The fourth proportional to 409,420,685.45, 564,937,410.57 and 233,186,213.84 is: 321,761,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,420,685.45 : 564,937,410.57 = 233,186,213.84 : x
  2. Step 2: Convert to fraction form
    409,420,685.45/564,937,410.57 = 233,186,213.84/x
  3. Step 3: Cross multiply
    409,420,685.45x = 564,937,410.57 × 233,186,213.84
  4. Step 4: Simplify right side
    409,420,685.45x = 131,735,615,824,567,232
  5. Step 5: Solve for x
    x = 131,735,615,824,567,232/409,420,685.45
  6. Step 6: Final answer
    x = 321,761,016.25

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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.