Home / 344,786,077.20-517,431,058.20-242,749,405.20

Finding the Fourth Proportional to 344,786,077.20, 517,431,058.20 and 242,749,405.20

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Solution

The fourth proportional to 344,786,077.20, 517,431,058.20 and 242,749,405.20 is: 364,301,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,786,077.20 : 517,431,058.20 = 242,749,405.20 : x
  2. Step 2: Convert to fraction form
    344,786,077.20/517,431,058.20 = 242,749,405.20/x
  3. Step 3: Cross multiply
    344,786,077.20x = 517,431,058.20 × 242,749,405.20
  4. Step 4: Simplify right side
    344,786,077.20x = 125,606,081,610,056,576
  5. Step 5: Solve for x
    x = 125,606,081,610,056,576/344,786,077.20
  6. Step 6: Final answer
    x = 364,301,489.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.