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Finding the Fourth Proportional to 235,992,870,436.80, 353,989,305,655.20 and 235,992,870,436.80

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Solution

The fourth proportional to 235,992,870,436.80, 353,989,305,655.20 and 235,992,870,436.80 is: 353,989,305,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,992,870,436.80 : 353,989,305,655.20 = 235,992,870,436.80 : x
  2. Step 2: Convert to fraction form
    235,992,870,436.80/353,989,305,655.20 = 235,992,870,436.80/x
  3. Step 3: Cross multiply
    235,992,870,436.80x = 353,989,305,655.20 × 235,992,870,436.80
  4. Step 4: Simplify right side
    235,992,870,436.80x = 83,538,952,345,500,403,105,792
  5. Step 5: Solve for x
    x = 83,538,952,345,500,403,105,792/235,992,870,436.80
  6. Step 6: Final answer
    x = 353,989,305,655.20

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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.