Home / 911,839,114.65-1,258,339,054.59-494,151,399.97

Finding the Fourth Proportional to 911,839,114.65, 1,258,339,054.59 and 494,151,399.97

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Solution

The fourth proportional to 911,839,114.65, 1,258,339,054.59 and 494,151,399.97 is: 681,929,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,839,114.65 : 1,258,339,054.59 = 494,151,399.97 : x
  2. Step 2: Convert to fraction form
    911,839,114.65/1,258,339,054.59 = 494,151,399.97/x
  3. Step 3: Cross multiply
    911,839,114.65x = 1,258,339,054.59 × 494,151,399.97
  4. Step 4: Simplify right side
    911,839,114.65x = 621,810,005,459,428,864
  5. Step 5: Solve for x
    x = 621,810,005,459,428,864/911,839,114.65
  6. Step 6: Final answer
    x = 681,929,515.27

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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.