Home / 315,335,025.33-432,001,768.08-303,545,326.29

Finding the Fourth Proportional to 315,335,025.33, 432,001,768.08 and 303,545,326.29

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Solution

The fourth proportional to 315,335,025.33, 432,001,768.08 and 303,545,326.29 is: 415,850,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,335,025.33 : 432,001,768.08 = 303,545,326.29 : x
  2. Step 2: Convert to fraction form
    315,335,025.33/432,001,768.08 = 303,545,326.29/x
  3. Step 3: Cross multiply
    315,335,025.33x = 432,001,768.08 × 303,545,326.29
  4. Step 4: Simplify right side
    315,335,025.33x = 131,132,117,649,700,512
  5. Step 5: Solve for x
    x = 131,132,117,649,700,512/315,335,025.33
  6. Step 6: Final answer
    x = 415,850,150.21

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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.