Home / 14,970,069,628.21-20,658,859,345.60-8,287,177,795.57

Finding the Fourth Proportional to 14,970,069,628.21, 20,658,859,345.60 and 8,287,177,795.57

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Solution

The fourth proportional to 14,970,069,628.21, 20,658,859,345.60 and 8,287,177,795.57 is: 11,436,395,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970,069,628.21 : 20,658,859,345.60 = 8,287,177,795.57 : x
  2. Step 2: Convert to fraction form
    14,970,069,628.21/20,658,859,345.60 = 8,287,177,795.57/x
  3. Step 3: Cross multiply
    14,970,069,628.21x = 20,658,859,345.60 × 8,287,177,795.57
  4. Step 4: Simplify right side
    14,970,069,628.21x = 171,203,640,450,660,073,472
  5. Step 5: Solve for x
    x = 171,203,640,450,660,073,472/14,970,069,628.21
  6. Step 6: Final answer
    x = 11,436,395,735.13

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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.