Home / 19,315,584,472.20-28,973,376,708.30-18,580,920,433.80

Finding the Fourth Proportional to 19,315,584,472.20, 28,973,376,708.30 and 18,580,920,433.80

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Solution

The fourth proportional to 19,315,584,472.20, 28,973,376,708.30 and 18,580,920,433.80 is: 27,871,380,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,472.20 : 28,973,376,708.30 = 18,580,920,433.80 : x
  2. Step 2: Convert to fraction form
    19,315,584,472.20/28,973,376,708.30 = 18,580,920,433.80/x
  3. Step 3: Cross multiply
    19,315,584,472.20x = 28,973,376,708.30 × 18,580,920,433.80
  4. Step 4: Simplify right side
    19,315,584,472.20x = 538,352,007,315,436,404,736
  5. Step 5: Solve for x
    x = 538,352,007,315,436,404,736/19,315,584,472.20
  6. Step 6: Final answer
    x = 27,871,380,650.70

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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.