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Finding the Fourth Proportional to 72,792,118,456.95, 109,188,177,685.42 and 72,792,118,456.95

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Solution

The fourth proportional to 72,792,118,456.95, 109,188,177,685.42 and 72,792,118,456.95 is: 109,188,177,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,792,118,456.95 : 109,188,177,685.42 = 72,792,118,456.95 : x
  2. Step 2: Convert to fraction form
    72,792,118,456.95/109,188,177,685.42 = 72,792,118,456.95/x
  3. Step 3: Cross multiply
    72,792,118,456.95x = 109,188,177,685.42 × 72,792,118,456.95
  4. Step 4: Simplify right side
    72,792,118,456.95x = 7,948,038,764,175,596,453,888
  5. Step 5: Solve for x
    x = 7,948,038,764,175,596,453,888/72,792,118,456.95
  6. Step 6: Final answer
    x = 109,188,177,685.42

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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.