Home / 1,259,729,794.80-1,889,594,692.20-741,893,684.40

Finding the Fourth Proportional to 1,259,729,794.80, 1,889,594,692.20 and 741,893,684.40

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Solution

The fourth proportional to 1,259,729,794.80, 1,889,594,692.20 and 741,893,684.40 is: 1,112,840,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,729,794.80 : 1,889,594,692.20 = 741,893,684.40 : x
  2. Step 2: Convert to fraction form
    1,259,729,794.80/1,889,594,692.20 = 741,893,684.40/x
  3. Step 3: Cross multiply
    1,259,729,794.80x = 1,889,594,692.20 × 741,893,684.40
  4. Step 4: Simplify right side
    1,259,729,794.80x = 1,401,878,368,218,941,952
  5. Step 5: Solve for x
    x = 1,401,878,368,218,941,952/1,259,729,794.80
  6. Step 6: Final answer
    x = 1,112,840,526.60

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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.