Home / 344,428,431.92-516,884,745.80-311,497,690.16

Finding the Fourth Proportional to 344,428,431.92, 516,884,745.80 and 311,497,690.16

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Solution

The fourth proportional to 344,428,431.92, 516,884,745.80 and 311,497,690.16 is: 467,465,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,428,431.92 : 516,884,745.80 = 311,497,690.16 : x
  2. Step 2: Convert to fraction form
    344,428,431.92/516,884,745.80 = 311,497,690.16/x
  3. Step 3: Cross multiply
    344,428,431.92x = 516,884,745.80 × 311,497,690.16
  4. Step 4: Simplify right side
    344,428,431.92x = 161,008,404,395,638,784
  5. Step 5: Solve for x
    x = 161,008,404,395,638,784/344,428,431.92
  6. Step 6: Final answer
    x = 467,465,486.22

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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.