Home / 320,482,833.15-480,724,249.73-298,983,748.35

Finding the Fourth Proportional to 320,482,833.15, 480,724,249.73 and 298,983,748.35

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Solution

The fourth proportional to 320,482,833.15, 480,724,249.73 and 298,983,748.35 is: 448,475,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,482,833.15 : 480,724,249.73 = 298,983,748.35 : x
  2. Step 2: Convert to fraction form
    320,482,833.15/480,724,249.73 = 298,983,748.35/x
  3. Step 3: Cross multiply
    320,482,833.15x = 480,724,249.73 × 298,983,748.35
  4. Step 4: Simplify right side
    320,482,833.15x = 143,728,738,105,521,968
  5. Step 5: Solve for x
    x = 143,728,738,105,521,968/320,482,833.15
  6. Step 6: Final answer
    x = 448,475,622.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.