Home / 1,643,815,715.06-2,465,474,437.60-447,384,651.37

Finding the Fourth Proportional to 1,643,815,715.06, 2,465,474,437.60 and 447,384,651.37

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Solution

The fourth proportional to 1,643,815,715.06, 2,465,474,437.60 and 447,384,651.37 is: 671,009,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,815,715.06 : 2,465,474,437.60 = 447,384,651.37 : x
  2. Step 2: Convert to fraction form
    1,643,815,715.06/2,465,474,437.60 = 447,384,651.37/x
  3. Step 3: Cross multiply
    1,643,815,715.06x = 2,465,474,437.60 × 447,384,651.37
  4. Step 4: Simplify right side
    1,643,815,715.06x = 1,103,015,421,727,322,752
  5. Step 5: Solve for x
    x = 1,103,015,421,727,322,752/1,643,815,715.06
  6. Step 6: Final answer
    x = 671,009,171.91

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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.