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Finding the Fourth Proportional to 3,841,344,663.40, 5,392,394,411 and 3,841,344,663.40

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Solution

The fourth proportional to 3,841,344,663.40, 5,392,394,411 and 3,841,344,663.40 is: 5,392,394,411

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841,344,663.40 : 5,392,394,411 = 3,841,344,663.40 : x
  2. Step 2: Convert to fraction form
    3,841,344,663.40/5,392,394,411 = 3,841,344,663.40/x
  3. Step 3: Cross multiply
    3,841,344,663.40x = 5,392,394,411 × 3,841,344,663.40
  4. Step 4: Simplify right side
    3,841,344,663.40x = 20,714,045,493,642,838,016
  5. Step 5: Solve for x
    x = 20,714,045,493,642,838,016/3,841,344,663.40
  6. Step 6: Final answer
    x = 5,392,394,411

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.