Home / 880,682,745.20-1,321,024,117.80-590,445,100.40

Finding the Fourth Proportional to 880,682,745.20, 1,321,024,117.80 and 590,445,100.40

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Solution

The fourth proportional to 880,682,745.20, 1,321,024,117.80 and 590,445,100.40 is: 885,667,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,682,745.20 : 1,321,024,117.80 = 590,445,100.40 : x
  2. Step 2: Convert to fraction form
    880,682,745.20/1,321,024,117.80 = 590,445,100.40/x
  3. Step 3: Cross multiply
    880,682,745.20x = 1,321,024,117.80 × 590,445,100.40
  4. Step 4: Simplify right side
    880,682,745.20x = 779,992,217,865,242,368
  5. Step 5: Solve for x
    x = 779,992,217,865,242,368/880,682,745.20
  6. Step 6: Final answer
    x = 885,667,650.60

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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.