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Finding the Fourth Proportional to 293,355,435,638.78, 440,033,153,458.17 and 293,355,435,638.78

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Solution

The fourth proportional to 293,355,435,638.78, 440,033,153,458.17 and 293,355,435,638.78 is: 440,033,153,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,355,435,638.78 : 440,033,153,458.17 = 293,355,435,638.78 : x
  2. Step 2: Convert to fraction form
    293,355,435,638.78/440,033,153,458.17 = 293,355,435,638.78/x
  3. Step 3: Cross multiply
    293,355,435,638.78x = 440,033,153,458.17 × 293,355,435,638.78
  4. Step 4: Simplify right side
    293,355,435,638.78x = 129,086,117,428,227,601,334,272
  5. Step 5: Solve for x
    x = 129,086,117,428,227,601,334,272/293,355,435,638.78
  6. Step 6: Final answer
    x = 440,033,153,458.17

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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.