Home / 4,812,556,545.12-7,213,739,901.66-1,618,784,721.54

Finding the Fourth Proportional to 4,812,556,545.12, 7,213,739,901.66 and 1,618,784,721.54

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Solution

The fourth proportional to 4,812,556,545.12, 7,213,739,901.66 and 1,618,784,721.54 is: 2,426,463,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,556,545.12 : 7,213,739,901.66 = 1,618,784,721.54 : x
  2. Step 2: Convert to fraction form
    4,812,556,545.12/7,213,739,901.66 = 1,618,784,721.54/x
  3. Step 3: Cross multiply
    4,812,556,545.12x = 7,213,739,901.66 × 1,618,784,721.54
  4. Step 4: Simplify right side
    4,812,556,545.12x = 11,677,491,937,970,669,568
  5. Step 5: Solve for x
    x = 11,677,491,937,970,669,568/4,812,556,545.12
  6. Step 6: Final answer
    x = 2,426,463,321.21

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1.5x scale

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.