Home / 873,965,790.20-1,311,452,570.10-329,098,359.80

Finding the Fourth Proportional to 873,965,790.20, 1,311,452,570.10 and 329,098,359.80

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Solution

The fourth proportional to 873,965,790.20, 1,311,452,570.10 and 329,098,359.80 is: 493,837,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,965,790.20 : 1,311,452,570.10 = 329,098,359.80 : x
  2. Step 2: Convert to fraction form
    873,965,790.20/1,311,452,570.10 = 329,098,359.80/x
  3. Step 3: Cross multiply
    873,965,790.20x = 1,311,452,570.10 × 329,098,359.80
  4. Step 4: Simplify right side
    873,965,790.20x = 431,596,889,775,404,480
  5. Step 5: Solve for x
    x = 431,596,889,775,404,480/873,965,790.20
  6. Step 6: Final answer
    x = 493,837,281.29

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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.