Home / 2,889,358,918.62-3,987,335,715.06-1,569,259,474.62

Finding the Fourth Proportional to 2,889,358,918.62, 3,987,335,715.06 and 1,569,259,474.62

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Solution

The fourth proportional to 2,889,358,918.62, 3,987,335,715.06 and 1,569,259,474.62 is: 2,165,589,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,358,918.62 : 3,987,335,715.06 = 1,569,259,474.62 : x
  2. Step 2: Convert to fraction form
    2,889,358,918.62/3,987,335,715.06 = 1,569,259,474.62/x
  3. Step 3: Cross multiply
    2,889,358,918.62x = 3,987,335,715.06 × 1,569,259,474.62
  4. Step 4: Simplify right side
    2,889,358,918.62x = 6,257,164,349,348,617,216
  5. Step 5: Solve for x
    x = 6,257,164,349,348,617,216/2,889,358,918.62
  6. Step 6: Final answer
    x = 2,165,589,158.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.