Home / 405,143,011.53-558,926,154.64-271,224,074.45

Finding the Fourth Proportional to 405,143,011.53, 558,926,154.64 and 271,224,074.45

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Solution

The fourth proportional to 405,143,011.53, 558,926,154.64 and 271,224,074.45 is: 374,174,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,143,011.53 : 558,926,154.64 = 271,224,074.45 : x
  2. Step 2: Convert to fraction form
    405,143,011.53/558,926,154.64 = 271,224,074.45/x
  3. Step 3: Cross multiply
    405,143,011.53x = 558,926,154.64 × 271,224,074.45
  4. Step 4: Simplify right side
    405,143,011.53x = 151,594,228,978,131,552
  5. Step 5: Solve for x
    x = 151,594,228,978,131,552/405,143,011.53
  6. Step 6: Final answer
    x = 374,174,611.59

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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.