Home / 20,946,520,193.94-28,906,190,232.48-11,431,071,966.06

Finding the Fourth Proportional to 20,946,520,193.94, 28,906,190,232.48 and 11,431,071,966.06

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Solution

The fourth proportional to 20,946,520,193.94, 28,906,190,232.48 and 11,431,071,966.06 is: 15,774,875,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,520,193.94 : 28,906,190,232.48 = 11,431,071,966.06 : x
  2. Step 2: Convert to fraction form
    20,946,520,193.94/28,906,190,232.48 = 11,431,071,966.06/x
  3. Step 3: Cross multiply
    20,946,520,193.94x = 28,906,190,232.48 × 11,431,071,966.06
  4. Step 4: Simplify right side
    20,946,520,193.94x = 330,428,740,812,099,485,696
  5. Step 5: Solve for x
    x = 330,428,740,812,099,485,696/20,946,520,193.94
  6. Step 6: Final answer
    x = 15,774,875,146.45

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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.