Home / 901,017,924.48-1,243,404,745.92-488,952,132.48

Finding the Fourth Proportional to 901,017,924.48, 1,243,404,745.92 and 488,952,132.48

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Solution

The fourth proportional to 901,017,924.48, 1,243,404,745.92 and 488,952,132.48 is: 674,753,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,017,924.48 : 1,243,404,745.92 = 488,952,132.48 : x
  2. Step 2: Convert to fraction form
    901,017,924.48/1,243,404,745.92 = 488,952,132.48/x
  3. Step 3: Cross multiply
    901,017,924.48x = 1,243,404,745.92 × 488,952,132.48
  4. Step 4: Simplify right side
    901,017,924.48x = 607,965,402,053,336,704
  5. Step 5: Solve for x
    x = 607,965,402,053,336,704/901,017,924.48
  6. Step 6: Final answer
    x = 674,753,948.32

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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.