Home / 3,432,255,006.72-5,148,430,339.77-978,591,909.72

Finding the Fourth Proportional to 3,432,255,006.72, 5,148,430,339.77 and 978,591,909.72

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Solution

The fourth proportional to 3,432,255,006.72, 5,148,430,339.77 and 978,591,909.72 is: 1,467,901,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,255,006.72 : 5,148,430,339.77 = 978,591,909.72 : x
  2. Step 2: Convert to fraction form
    3,432,255,006.72/5,148,430,339.77 = 978,591,909.72/x
  3. Step 3: Cross multiply
    3,432,255,006.72x = 5,148,430,339.77 × 978,591,909.72
  4. Step 4: Simplify right side
    3,432,255,006.72x = 5,038,212,278,255,912,960
  5. Step 5: Solve for x
    x = 5,038,212,278,255,912,960/3,432,255,006.72
  6. Step 6: Final answer
    x = 1,467,901,501.61

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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.