Home / 873,965,784.20-1,311,452,561.10-329,098,353.80

Finding the Fourth Proportional to 873,965,784.20, 1,311,452,561.10 and 329,098,353.80

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Solution

The fourth proportional to 873,965,784.20, 1,311,452,561.10 and 329,098,353.80 is: 493,837,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,965,784.20 : 1,311,452,561.10 = 329,098,353.80 : x
  2. Step 2: Convert to fraction form
    873,965,784.20/1,311,452,561.10 = 329,098,353.80/x
  3. Step 3: Cross multiply
    873,965,784.20x = 1,311,452,561.10 × 329,098,353.80
  4. Step 4: Simplify right side
    873,965,784.20x = 431,596,878,944,803,904
  5. Step 5: Solve for x
    x = 431,596,878,944,803,904/873,965,784.20
  6. Step 6: Final answer
    x = 493,837,272.29

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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.