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Finding the Fourth Proportional to 552,765,147,928.80, 829,147,721,893.20 and 552,765,147,928.80

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Solution

The fourth proportional to 552,765,147,928.80, 829,147,721,893.20 and 552,765,147,928.80 is: 829,147,721,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,765,147,928.80 : 829,147,721,893.20 = 552,765,147,928.80 : x
  2. Step 2: Convert to fraction form
    552,765,147,928.80/829,147,721,893.20 = 552,765,147,928.80/x
  3. Step 3: Cross multiply
    552,765,147,928.80x = 829,147,721,893.20 × 552,765,147,928.80
  4. Step 4: Simplify right side
    552,765,147,928.80x = 458,323,963,147,122,223,611,904
  5. Step 5: Solve for x
    x = 458,323,963,147,122,223,611,904/552,765,147,928.80
  6. Step 6: Final answer
    x = 829,147,721,893.20

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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.