Home / 1,016,928,218.40-1,525,392,327.60-772,040,205.60

Finding the Fourth Proportional to 1,016,928,218.40, 1,525,392,327.60 and 772,040,205.60

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Solution

The fourth proportional to 1,016,928,218.40, 1,525,392,327.60 and 772,040,205.60 is: 1,158,060,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,928,218.40 : 1,525,392,327.60 = 772,040,205.60 : x
  2. Step 2: Convert to fraction form
    1,016,928,218.40/1,525,392,327.60 = 772,040,205.60/x
  3. Step 3: Cross multiply
    1,016,928,218.40x = 1,525,392,327.60 × 772,040,205.60
  4. Step 4: Simplify right side
    1,016,928,218.40x = 1,177,664,206,220,966,400
  5. Step 5: Solve for x
    x = 1,177,664,206,220,966,400/1,016,928,218.40
  6. Step 6: Final answer
    x = 1,158,060,308.40

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Double scale
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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.