Home / 405,143,014.54-558,926,158.78-271,224,077.46

Finding the Fourth Proportional to 405,143,014.54, 558,926,158.78 and 271,224,077.46

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Solution

The fourth proportional to 405,143,014.54, 558,926,158.78 and 271,224,077.46 is: 374,174,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,143,014.54 : 558,926,158.78 = 271,224,077.46 : x
  2. Step 2: Convert to fraction form
    405,143,014.54/558,926,158.78 = 271,224,077.46/x
  3. Step 3: Cross multiply
    405,143,014.54x = 558,926,158.78 × 271,224,077.46
  4. Step 4: Simplify right side
    405,143,014.54x = 151,594,231,783,366,944
  5. Step 5: Solve for x
    x = 151,594,231,783,366,944/405,143,014.54
  6. Step 6: Final answer
    x = 374,174,615.74

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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.