Home / 428,143,343.92-590,854,055.50-239,975,115.64

Finding the Fourth Proportional to 428,143,343.92, 590,854,055.50 and 239,975,115.64

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Solution

The fourth proportional to 428,143,343.92, 590,854,055.50 and 239,975,115.64 is: 331,174,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,143,343.92 : 590,854,055.50 = 239,975,115.64 : x
  2. Step 2: Convert to fraction form
    428,143,343.92/590,854,055.50 = 239,975,115.64/x
  3. Step 3: Cross multiply
    428,143,343.92x = 590,854,055.50 × 239,975,115.64
  4. Step 4: Simplify right side
    428,143,343.92x = 141,790,270,294,975,472
  5. Step 5: Solve for x
    x = 141,790,270,294,975,472/428,143,343.92
  6. Step 6: Final answer
    x = 331,174,762.63

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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.