Home / 345,812,008.80-518,718,013.20-345,812,008.80

Finding the Fourth Proportional to 345,812,008.80, 518,718,013.20 and 345,812,008.80

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Solution

The fourth proportional to 345,812,008.80, 518,718,013.20 and 345,812,008.80 is: 518,718,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,812,008.80 : 518,718,013.20 = 345,812,008.80 : x
  2. Step 2: Convert to fraction form
    345,812,008.80/518,718,013.20 = 345,812,008.80/x
  3. Step 3: Cross multiply
    345,812,008.80x = 518,718,013.20 × 345,812,008.80
  4. Step 4: Simplify right side
    345,812,008.80x = 179,378,918,145,436,928
  5. Step 5: Solve for x
    x = 179,378,918,145,436,928/345,812,008.80
  6. Step 6: Final answer
    x = 518,718,013.20

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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.