Home / 1,858,390,675.80-2,787,586,013.70-1,703,422,480.20

Finding the Fourth Proportional to 1,858,390,675.80, 2,787,586,013.70 and 1,703,422,480.20

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Solution

The fourth proportional to 1,858,390,675.80, 2,787,586,013.70 and 1,703,422,480.20 is: 2,555,133,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,390,675.80 : 2,787,586,013.70 = 1,703,422,480.20 : x
  2. Step 2: Convert to fraction form
    1,858,390,675.80/2,787,586,013.70 = 1,703,422,480.20/x
  3. Step 3: Cross multiply
    1,858,390,675.80x = 2,787,586,013.70 × 1,703,422,480.20
  4. Step 4: Simplify right side
    1,858,390,675.80x = 4,748,436,681,227,684,864
  5. Step 5: Solve for x
    x = 4,748,436,681,227,684,864/1,858,390,675.80
  6. Step 6: Final answer
    x = 2,555,133,720.30

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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.