Home / 941,989,759.32-1,299,922,107.84-518,599,194.84

Finding the Fourth Proportional to 941,989,759.32, 1,299,922,107.84 and 518,599,194.84

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Solution

The fourth proportional to 941,989,759.32, 1,299,922,107.84 and 518,599,194.84 is: 715,653,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,989,759.32 : 1,299,922,107.84 = 518,599,194.84 : x
  2. Step 2: Convert to fraction form
    941,989,759.32/1,299,922,107.84 = 518,599,194.84/x
  3. Step 3: Cross multiply
    941,989,759.32x = 1,299,922,107.84 × 518,599,194.84
  4. Step 4: Simplify right side
    941,989,759.32x = 674,138,558,480,539,520
  5. Step 5: Solve for x
    x = 674,138,558,480,539,520/941,989,759.32
  6. Step 6: Final answer
    x = 715,653,808.13

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Double scale
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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.