Home / 928,398,683,904.78-1,393,234,145,063.60-324,023,889,191.25

Finding the Fourth Proportional to 928,398,683,904.78, 1,393,234,145,063.60 and 324,023,889,191.25

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Solution

The fourth proportional to 928,398,683,904.78, 1,393,234,145,063.60 and 324,023,889,191.25 is: 486,257,848,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,398,683,904.78 : 1,393,234,145,063.60 = 324,023,889,191.25 : x
  2. Step 2: Convert to fraction form
    928,398,683,904.78/1,393,234,145,063.60 = 324,023,889,191.25/x
  3. Step 3: Cross multiply
    928,398,683,904.78x = 1,393,234,145,063.60 × 324,023,889,191.25
  4. Step 4: Simplify right side
    928,398,683,904.78x = 451,441,146,237,553,897,111,552
  5. Step 5: Solve for x
    x = 451,441,146,237,553,897,111,552/928,398,683,904.78
  6. Step 6: Final answer
    x = 486,257,848,124.93

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Double scale
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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.