Home / 405,143,034.20-558,926,183.58-271,224,094.64

Finding the Fourth Proportional to 405,143,034.20, 558,926,183.58 and 271,224,094.64

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Solution

The fourth proportional to 405,143,034.20, 558,926,183.58 and 271,224,094.64 is: 374,174,637.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,143,034.20 : 558,926,183.58 = 271,224,094.64 : x
  2. Step 2: Convert to fraction form
    405,143,034.20/558,926,183.58 = 271,224,094.64/x
  3. Step 3: Cross multiply
    405,143,034.20x = 558,926,183.58 × 271,224,094.64
  4. Step 4: Simplify right side
    405,143,034.20x = 151,594,248,112,075,936
  5. Step 5: Solve for x
    x = 151,594,248,112,075,936/405,143,034.20
  6. Step 6: Final answer
    x = 374,174,637.88

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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.