Home / 463,012,827.82-638,941,169.10-262,065,389.62

Finding the Fourth Proportional to 463,012,827.82, 638,941,169.10 and 262,065,389.62

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Solution

The fourth proportional to 463,012,827.82, 638,941,169.10 and 262,065,389.62 is: 361,640,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,012,827.82 : 638,941,169.10 = 262,065,389.62 : x
  2. Step 2: Convert to fraction form
    463,012,827.82/638,941,169.10 = 262,065,389.62/x
  3. Step 3: Cross multiply
    463,012,827.82x = 638,941,169.10 × 262,065,389.62
  4. Step 4: Simplify right side
    463,012,827.82x = 167,444,366,424,449,824
  5. Step 5: Solve for x
    x = 167,444,366,424,449,824/463,012,827.82
  6. Step 6: Final answer
    x = 361,640,879.83

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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.