Home / 2,078,306,667.20-2,868,040,352.16-1,125,663,706.64

Finding the Fourth Proportional to 2,078,306,667.20, 2,868,040,352.16 and 1,125,663,706.64

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Solution

The fourth proportional to 2,078,306,667.20, 2,868,040,352.16 and 1,125,663,706.64 is: 1,553,403,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,306,667.20 : 2,868,040,352.16 = 1,125,663,706.64 : x
  2. Step 2: Convert to fraction form
    2,078,306,667.20/2,868,040,352.16 = 1,125,663,706.64/x
  3. Step 3: Cross multiply
    2,078,306,667.20x = 2,868,040,352.16 × 1,125,663,706.64
  4. Step 4: Simplify right side
    2,078,306,667.20x = 3,228,448,933,605,516,800
  5. Step 5: Solve for x
    x = 3,228,448,933,605,516,800/2,078,306,667.20
  6. Step 6: Final answer
    x = 1,553,403,539.79

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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.