Home / 7,218,834,809.60-10,820,609,840.41-2,428,177,074.24

Finding the Fourth Proportional to 7,218,834,809.60, 10,820,609,840.41 and 2,428,177,074.24

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Solution

The fourth proportional to 7,218,834,809.60, 10,820,609,840.41 and 2,428,177,074.24 is: 3,639,694,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,834,809.60 : 10,820,609,840.41 = 2,428,177,074.24 : x
  2. Step 2: Convert to fraction form
    7,218,834,809.60/10,820,609,840.41 = 2,428,177,074.24/x
  3. Step 3: Cross multiply
    7,218,834,809.60x = 10,820,609,840.41 × 2,428,177,074.24
  4. Step 4: Simplify right side
    7,218,834,809.60x = 26,274,356,743,812,059,136
  5. Step 5: Solve for x
    x = 26,274,356,743,812,059,136/7,218,834,809.60
  6. Step 6: Final answer
    x = 3,639,694,969.73

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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.