Home / 914,079,505.43-1,261,815,902.37-617,124,003.53

Finding the Fourth Proportional to 914,079,505.43, 1,261,815,902.37 and 617,124,003.53

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Solution

The fourth proportional to 914,079,505.43, 1,261,815,902.37 and 617,124,003.53 is: 851,891,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,079,505.43 : 1,261,815,902.37 = 617,124,003.53 : x
  2. Step 2: Convert to fraction form
    914,079,505.43/1,261,815,902.37 = 617,124,003.53/x
  3. Step 3: Cross multiply
    914,079,505.43x = 1,261,815,902.37 × 617,124,003.53
  4. Step 4: Simplify right side
    914,079,505.43x = 778,696,881,382,084,864
  5. Step 5: Solve for x
    x = 778,696,881,382,084,864/914,079,505.43
  6. Step 6: Final answer
    x = 851,891,850.50

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1.5x scale

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.