Home / 757,399,717.80-1,045,201,435.20-422,877,366

Finding the Fourth Proportional to 757,399,717.80, 1,045,201,435.20 and 422,877,366

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Solution

The fourth proportional to 757,399,717.80, 1,045,201,435.20 and 422,877,366 is: 583,565,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,399,717.80 : 1,045,201,435.20 = 422,877,366 : x
  2. Step 2: Convert to fraction form
    757,399,717.80/1,045,201,435.20 = 422,877,366/x
  3. Step 3: Cross multiply
    757,399,717.80x = 1,045,201,435.20 × 422,877,366
  4. Step 4: Simplify right side
    757,399,717.80x = 441,992,029,856,795,712
  5. Step 5: Solve for x
    x = 441,992,029,856,795,712/757,399,717.80
  6. Step 6: Final answer
    x = 583,565,083.89

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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.