Home / 315,335,419.70-432,002,308.23-303,545,720.66

Finding the Fourth Proportional to 315,335,419.70, 432,002,308.23 and 303,545,720.66

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Solution

The fourth proportional to 315,335,419.70, 432,002,308.23 and 303,545,720.66 is: 415,850,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,335,419.70 : 432,002,308.23 = 303,545,720.66 : x
  2. Step 2: Convert to fraction form
    315,335,419.70/432,002,308.23 = 303,545,720.66/x
  3. Step 3: Cross multiply
    315,335,419.70x = 432,002,308.23 × 303,545,720.66
  4. Step 4: Simplify right side
    315,335,419.70x = 131,132,451,976,941,088
  5. Step 5: Solve for x
    x = 131,132,451,976,941,088/315,335,419.70
  6. Step 6: Final answer
    x = 415,850,690.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.