Home / 663,369,933.96-915,478,196.52-366,031,464.66

Finding the Fourth Proportional to 663,369,933.96, 915,478,196.52 and 366,031,464.66

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Solution

The fourth proportional to 663,369,933.96, 915,478,196.52 and 366,031,464.66 is: 505,138,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,369,933.96 : 915,478,196.52 = 366,031,464.66 : x
  2. Step 2: Convert to fraction form
    663,369,933.96/915,478,196.52 = 366,031,464.66/x
  3. Step 3: Cross multiply
    663,369,933.96x = 915,478,196.52 × 366,031,464.66
  4. Step 4: Simplify right side
    663,369,933.96x = 335,093,825,136,510,912
  5. Step 5: Solve for x
    x = 335,093,825,136,510,912/663,369,933.96
  6. Step 6: Final answer
    x = 505,138,698.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.