Home / 20,165,695,647.54-27,831,100,248.62-11,477,263,221.38

Finding the Fourth Proportional to 20,165,695,647.54, 27,831,100,248.62 and 11,477,263,221.38

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Solution

The fourth proportional to 20,165,695,647.54, 27,831,100,248.62 and 11,477,263,221.38 is: 15,840,012,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,695,647.54 : 27,831,100,248.62 = 11,477,263,221.38 : x
  2. Step 2: Convert to fraction form
    20,165,695,647.54/27,831,100,248.62 = 11,477,263,221.38/x
  3. Step 3: Cross multiply
    20,165,695,647.54x = 27,831,100,248.62 × 11,477,263,221.38
  4. Step 4: Simplify right side
    20,165,695,647.54x = 319,424,863,293,829,545,984
  5. Step 5: Solve for x
    x = 319,424,863,293,829,545,984/20,165,695,647.54
  6. Step 6: Final answer
    x = 15,840,012,111.50

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1.5x scale

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.