Home / 315,335,369.20-432,002,239.19-303,545,670.16

Finding the Fourth Proportional to 315,335,369.20, 432,002,239.19 and 303,545,670.16

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Solution

The fourth proportional to 315,335,369.20, 432,002,239.19 and 303,545,670.16 is: 415,850,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,335,369.20 : 432,002,239.19 = 303,545,670.16 : x
  2. Step 2: Convert to fraction form
    315,335,369.20/432,002,239.19 = 303,545,670.16/x
  3. Step 3: Cross multiply
    315,335,369.20x = 432,002,239.19 × 303,545,670.16
  4. Step 4: Simplify right side
    315,335,369.20x = 131,132,409,205,549,184
  5. Step 5: Solve for x
    x = 131,132,409,205,549,184/315,335,369.20
  6. Step 6: Final answer
    x = 415,850,621.32

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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.