Home / 10,006,507,209.98-13,809,006,173.26-5,428,771,392.17

Finding the Fourth Proportional to 10,006,507,209.98, 13,809,006,173.26 and 5,428,771,392.17

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Solution

The fourth proportional to 10,006,507,209.98, 13,809,006,173.26 and 5,428,771,392.17 is: 7,491,718,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006,507,209.98 : 13,809,006,173.26 = 5,428,771,392.17 : x
  2. Step 2: Convert to fraction form
    10,006,507,209.98/13,809,006,173.26 = 5,428,771,392.17/x
  3. Step 3: Cross multiply
    10,006,507,209.98x = 13,809,006,173.26 × 5,428,771,392.17
  4. Step 4: Simplify right side
    10,006,507,209.98x = 74,965,937,667,732,766,720
  5. Step 5: Solve for x
    x = 74,965,937,667,732,766,720/10,006,507,209.98
  6. Step 6: Final answer
    x = 7,491,718,748.07

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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.