Home / 315,335,409.20-432,002,293.90-303,545,710.16

Finding the Fourth Proportional to 315,335,409.20, 432,002,293.90 and 303,545,710.16

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Solution

The fourth proportional to 315,335,409.20, 432,002,293.90 and 303,545,710.16 is: 415,850,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,335,409.20 : 432,002,293.90 = 303,545,710.16 : x
  2. Step 2: Convert to fraction form
    315,335,409.20/432,002,293.90 = 303,545,710.16/x
  3. Step 3: Cross multiply
    315,335,409.20x = 432,002,293.90 × 303,545,710.16
  4. Step 4: Simplify right side
    315,335,409.20x = 131,132,443,092,624,544
  5. Step 5: Solve for x
    x = 131,132,443,092,624,544/315,335,409.20
  6. Step 6: Final answer
    x = 415,850,676.03

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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.