Home / 79,340,824,771.61-119,062,438,094.24-28,972,041,372.01

Finding the Fourth Proportional to 79,340,824,771.61, 119,062,438,094.24 and 28,972,041,372.01

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Solution

The fourth proportional to 79,340,824,771.61, 119,062,438,094.24 and 28,972,041,372.01 is: 43,476,758,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340,824,771.61 : 119,062,438,094.24 = 28,972,041,372.01 : x
  2. Step 2: Convert to fraction form
    79,340,824,771.61/119,062,438,094.24 = 28,972,041,372.01/x
  3. Step 3: Cross multiply
    79,340,824,771.61x = 119,062,438,094.24 × 28,972,041,372.01
  4. Step 4: Simplify right side
    79,340,824,771.61x = 3,449,481,882,318,700,806,144
  5. Step 5: Solve for x
    x = 3,449,481,882,318,700,806,144/79,340,824,771.61
  6. Step 6: Final answer
    x = 43,476,758,557.13

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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.