Home / 864,825,901.05-1,193,453,800.73-468,339,817.47

Finding the Fourth Proportional to 864,825,901.05, 1,193,453,800.73 and 468,339,817.47

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Solution

The fourth proportional to 864,825,901.05, 1,193,453,800.73 and 468,339,817.47 is: 646,305,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,825,901.05 : 1,193,453,800.73 = 468,339,817.47 : x
  2. Step 2: Convert to fraction form
    864,825,901.05/1,193,453,800.73 = 468,339,817.47/x
  3. Step 3: Cross multiply
    864,825,901.05x = 1,193,453,800.73 × 468,339,817.47
  4. Step 4: Simplify right side
    864,825,901.05x = 558,941,935,192,766,016
  5. Step 5: Solve for x
    x = 558,941,935,192,766,016/864,825,901.05
  6. Step 6: Final answer
    x = 646,305,729.87

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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.