Home / 848,419,934.83-1,272,813,077.73-258,256,323.62

Finding the Fourth Proportional to 848,419,934.83, 1,272,813,077.73 and 258,256,323.62

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Solution

The fourth proportional to 848,419,934.83, 1,272,813,077.73 and 258,256,323.62 is: 387,440,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,419,934.83 : 1,272,813,077.73 = 258,256,323.62 : x
  2. Step 2: Convert to fraction form
    848,419,934.83/1,272,813,077.73 = 258,256,323.62/x
  3. Step 3: Cross multiply
    848,419,934.83x = 1,272,813,077.73 × 258,256,323.62
  4. Step 4: Simplify right side
    848,419,934.83x = 328,712,026,110,007,104
  5. Step 5: Solve for x
    x = 328,712,026,110,007,104/848,419,934.83
  6. Step 6: Final answer
    x = 387,440,243.46

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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.