Home / 5,640,402,431.60-8,455,228,876.20-4,396,142,898.80

Finding the Fourth Proportional to 5,640,402,431.60, 8,455,228,876.20 and 4,396,142,898.80

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Solution

The fourth proportional to 5,640,402,431.60, 8,455,228,876.20 and 4,396,142,898.80 is: 6,590,025,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,402,431.60 : 8,455,228,876.20 = 4,396,142,898.80 : x
  2. Step 2: Convert to fraction form
    5,640,402,431.60/8,455,228,876.20 = 4,396,142,898.80/x
  3. Step 3: Cross multiply
    5,640,402,431.60x = 8,455,228,876.20 × 4,396,142,898.80
  4. Step 4: Simplify right side
    5,640,402,431.60x = 37,170,394,381,835,337,728
  5. Step 5: Solve for x
    x = 37,170,394,381,835,337,728/5,640,402,431.60
  6. Step 6: Final answer
    x = 6,590,025,238.91

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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.