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Finding the Fourth Proportional to 128,715,696,442.35, 193,073,544,663.53 and 128,715,696,442.35

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Solution

The fourth proportional to 128,715,696,442.35, 193,073,544,663.53 and 128,715,696,442.35 is: 193,073,544,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,715,696,442.35 : 193,073,544,663.53 = 128,715,696,442.35 : x
  2. Step 2: Convert to fraction form
    128,715,696,442.35/193,073,544,663.53 = 128,715,696,442.35/x
  3. Step 3: Cross multiply
    128,715,696,442.35x = 193,073,544,663.53 × 128,715,696,442.35
  4. Step 4: Simplify right side
    128,715,696,442.35x = 24,851,595,765,959,433,912,320
  5. Step 5: Solve for x
    x = 24,851,595,765,959,433,912,320/128,715,696,442.35
  6. Step 6: Final answer
    x = 193,073,544,663.53

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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.