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Finding the Fourth Proportional to 534,747,745,105.55, 802,121,617,658.32 and 534,747,745,105.55

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Solution

The fourth proportional to 534,747,745,105.55, 802,121,617,658.32 and 534,747,745,105.55 is: 802,121,617,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,747,745,105.55 : 802,121,617,658.32 = 534,747,745,105.55 : x
  2. Step 2: Convert to fraction form
    534,747,745,105.55/802,121,617,658.32 = 534,747,745,105.55/x
  3. Step 3: Cross multiply
    534,747,745,105.55x = 802,121,617,658.32 × 534,747,745,105.55
  4. Step 4: Simplify right side
    534,747,745,105.55x = 428,932,726,343,202,674,573,312
  5. Step 5: Solve for x
    x = 428,932,726,343,202,674,573,312/534,747,745,105.55
  6. Step 6: Final answer
    x = 802,121,617,658.32

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Double scale
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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.