Home / 14,063,821,448.95-21,068,149,868.76-8,155,968,900.53

Finding the Fourth Proportional to 14,063,821,448.95, 21,068,149,868.76 and 8,155,968,900.53

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Solution

The fourth proportional to 14,063,821,448.95, 21,068,149,868.76 and 8,155,968,900.53 is: 12,217,957,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063,821,448.95 : 21,068,149,868.76 = 8,155,968,900.53 : x
  2. Step 2: Convert to fraction form
    14,063,821,448.95/21,068,149,868.76 = 8,155,968,900.53/x
  3. Step 3: Cross multiply
    14,063,821,448.95x = 21,068,149,868.76 × 8,155,968,900.53
  4. Step 4: Simplify right side
    14,063,821,448.95x = 171,831,175,121,359,110,144
  5. Step 5: Solve for x
    x = 171,831,175,121,359,110,144/14,063,821,448.95
  6. Step 6: Final answer
    x = 12,217,957,668.56

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1.5x scale

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.