Home / 888,653,923.32-1,333,525,721.99-397,782,243.53

Finding the Fourth Proportional to 888,653,923.32, 1,333,525,721.99 and 397,782,243.53

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Solution

The fourth proportional to 888,653,923.32, 1,333,525,721.99 and 397,782,243.53 is: 596,917,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,653,923.32 : 1,333,525,721.99 = 397,782,243.53 : x
  2. Step 2: Convert to fraction form
    888,653,923.32/1,333,525,721.99 = 397,782,243.53/x
  3. Step 3: Cross multiply
    888,653,923.32x = 1,333,525,721.99 × 397,782,243.53
  4. Step 4: Simplify right side
    888,653,923.32x = 530,452,853,494,489,408
  5. Step 5: Solve for x
    x = 530,452,853,494,489,408/888,653,923.32
  6. Step 6: Final answer
    x = 596,917,247.05

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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.