Home / 626,889,712.40-940,334,568.60-166,874,382.80

Finding the Fourth Proportional to 626,889,712.40, 940,334,568.60 and 166,874,382.80

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Solution

The fourth proportional to 626,889,712.40, 940,334,568.60 and 166,874,382.80 is: 250,311,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,889,712.40 : 940,334,568.60 = 166,874,382.80 : x
  2. Step 2: Convert to fraction form
    626,889,712.40/940,334,568.60 = 166,874,382.80/x
  3. Step 3: Cross multiply
    626,889,712.40x = 940,334,568.60 × 166,874,382.80
  4. Step 4: Simplify right side
    626,889,712.40x = 156,917,750,760,629,280
  5. Step 5: Solve for x
    x = 156,917,750,760,629,280/626,889,712.40
  6. Step 6: Final answer
    x = 250,311,574.20

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1.5x scale

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.