Home / 678,413,104.80-951,928,255.20-678,413,104.80

Finding the Fourth Proportional to 678,413,104.80, 951,928,255.20 and 678,413,104.80

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Solution

The fourth proportional to 678,413,104.80, 951,928,255.20 and 678,413,104.80 is: 951,928,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,413,104.80 : 951,928,255.20 = 678,413,104.80 : x
  2. Step 2: Convert to fraction form
    678,413,104.80/951,928,255.20 = 678,413,104.80/x
  3. Step 3: Cross multiply
    678,413,104.80x = 951,928,255.20 × 678,413,104.80
  4. Step 4: Simplify right side
    678,413,104.80x = 645,800,603,157,078,784
  5. Step 5: Solve for x
    x = 645,800,603,157,078,784/678,413,104.80
  6. Step 6: Final answer
    x = 951,928,255.20

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Half scale
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Double scale
Find fourth proportional to 678,413,105.80, 951,928,256.60 and 678,413,105.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.