Home / 315,333,920.46-432,000,249.52-303,544,218.98

Finding the Fourth Proportional to 315,333,920.46, 432,000,249.52 and 303,544,218.98

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Solution

The fourth proportional to 315,333,920.46, 432,000,249.52 and 303,544,218.98 is: 415,848,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,333,920.46 : 432,000,249.52 = 303,544,218.98 : x
  2. Step 2: Convert to fraction form
    315,333,920.46/432,000,249.52 = 303,544,218.98/x
  3. Step 3: Cross multiply
    315,333,920.46x = 432,000,249.52 × 303,544,218.98
  4. Step 4: Simplify right side
    315,333,920.46x = 131,131,178,339,713,520
  5. Step 5: Solve for x
    x = 131,131,178,339,713,520/315,333,920.46
  6. Step 6: Final answer
    x = 415,848,628.49

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1.5x scale

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.