Home / 912,028,043.21-1,258,600,554.24-494,340,611.45

Finding the Fourth Proportional to 912,028,043.21, 1,258,600,554.24 and 494,340,611.45

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Solution

The fourth proportional to 912,028,043.21, 1,258,600,554.24 and 494,340,611.45 is: 682,191,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,028,043.21 : 1,258,600,554.24 = 494,340,611.45 : x
  2. Step 2: Convert to fraction form
    912,028,043.21/1,258,600,554.24 = 494,340,611.45/x
  3. Step 3: Cross multiply
    912,028,043.21x = 1,258,600,554.24 × 494,340,611.45
  4. Step 4: Simplify right side
    912,028,043.21x = 622,177,367,554,310,528
  5. Step 5: Solve for x
    x = 622,177,367,554,310,528/912,028,043.21
  6. Step 6: Final answer
    x = 682,191,049.04

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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.