Home / 893,617,836.11-1,233,203,770.62-491,777,816.76

Finding the Fourth Proportional to 893,617,836.11, 1,233,203,770.62 and 491,777,816.76

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Solution

The fourth proportional to 893,617,836.11, 1,233,203,770.62 and 491,777,816.76 is: 678,659,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,617,836.11 : 1,233,203,770.62 = 491,777,816.76 : x
  2. Step 2: Convert to fraction form
    893,617,836.11/1,233,203,770.62 = 491,777,816.76/x
  3. Step 3: Cross multiply
    893,617,836.11x = 1,233,203,770.62 × 491,777,816.76
  4. Step 4: Simplify right side
    893,617,836.11x = 606,462,257,935,703,424
  5. Step 5: Solve for x
    x = 606,462,257,935,703,424/893,617,836.11
  6. Step 6: Final answer
    x = 678,659,526.96

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Double scale
Find fourth proportional to 893,617,837.11, 1,233,203,772 and 491,777,817.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.