Home / 1,858,390,667.80-2,787,586,001.70-1,703,422,472.20

Finding the Fourth Proportional to 1,858,390,667.80, 2,787,586,001.70 and 1,703,422,472.20

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Solution

The fourth proportional to 1,858,390,667.80, 2,787,586,001.70 and 1,703,422,472.20 is: 2,555,133,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,390,667.80 : 2,787,586,001.70 = 1,703,422,472.20 : x
  2. Step 2: Convert to fraction form
    1,858,390,667.80/2,787,586,001.70 = 1,703,422,472.20/x
  3. Step 3: Cross multiply
    1,858,390,667.80x = 2,787,586,001.70 × 1,703,422,472.20
  4. Step 4: Simplify right side
    1,858,390,667.80x = 4,748,436,638,485,926,912
  5. Step 5: Solve for x
    x = 4,748,436,638,485,926,912/1,858,390,667.80
  6. Step 6: Final answer
    x = 2,555,133,708.30

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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.