Home / 20,764,912,837.56-31,147,369,616.16-5,043,631,531.74

Finding the Fourth Proportional to 20,764,912,837.56, 31,147,369,616.16 and 5,043,631,531.74

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Solution

The fourth proportional to 20,764,912,837.56, 31,147,369,616.16 and 5,043,631,531.74 is: 7,565,447,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,764,912,837.56 : 31,147,369,616.16 = 5,043,631,531.74 : x
  2. Step 2: Convert to fraction form
    20,764,912,837.56/31,147,369,616.16 = 5,043,631,531.74/x
  3. Step 3: Cross multiply
    20,764,912,837.56x = 31,147,369,616.16 × 5,043,631,531.74
  4. Step 4: Simplify right side
    20,764,912,837.56x = 157,095,855,526,825,000,960
  5. Step 5: Solve for x
    x = 157,095,855,526,825,000,960/20,764,912,837.56
  6. Step 6: Final answer
    x = 7,565,447,385.01

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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.