Home / 896,789,840.40-1,345,184,760.60-550,620,982.80

Finding the Fourth Proportional to 896,789,840.40, 1,345,184,760.60 and 550,620,982.80

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Solution

The fourth proportional to 896,789,840.40, 1,345,184,760.60 and 550,620,982.80 is: 825,931,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,789,840.40 : 1,345,184,760.60 = 550,620,982.80 : x
  2. Step 2: Convert to fraction form
    896,789,840.40/1,345,184,760.60 = 550,620,982.80/x
  3. Step 3: Cross multiply
    896,789,840.40x = 1,345,184,760.60 × 550,620,982.80
  4. Step 4: Simplify right side
    896,789,840.40x = 740,686,954,929,154,560
  5. Step 5: Solve for x
    x = 740,686,954,929,154,560/896,789,840.40
  6. Step 6: Final answer
    x = 825,931,474.20

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Double scale
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Similar ratio
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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.