Home / 13,675,357,388.45-18,872,583,009.77-7,571,709,895.20

Finding the Fourth Proportional to 13,675,357,388.45, 18,872,583,009.77 and 7,571,709,895.20

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Solution

The fourth proportional to 13,675,357,388.45, 18,872,583,009.77 and 7,571,709,895.20 is: 10,449,286,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675,357,388.45 : 18,872,583,009.77 = 7,571,709,895.20 : x
  2. Step 2: Convert to fraction form
    13,675,357,388.45/18,872,583,009.77 = 7,571,709,895.20/x
  3. Step 3: Cross multiply
    13,675,357,388.45x = 18,872,583,009.77 × 7,571,709,895.20
  4. Step 4: Simplify right side
    13,675,357,388.45x = 142,897,723,523,002,335,232
  5. Step 5: Solve for x
    x = 142,897,723,523,002,335,232/13,675,357,388.45
  6. Step 6: Final answer
    x = 10,449,286,220.75

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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.