Home / 1,080,876,552.45-1,618,086,324.60-643,952,334.30

Finding the Fourth Proportional to 1,080,876,552.45, 1,618,086,324.60 and 643,952,334.30

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Solution

The fourth proportional to 1,080,876,552.45, 1,618,086,324.60 and 643,952,334.30 is: 964,005,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,876,552.45 : 1,618,086,324.60 = 643,952,334.30 : x
  2. Step 2: Convert to fraction form
    1,080,876,552.45/1,618,086,324.60 = 643,952,334.30/x
  3. Step 3: Cross multiply
    1,080,876,552.45x = 1,618,086,324.60 × 643,952,334.30
  4. Step 4: Simplify right side
    1,080,876,552.45x = 1,041,970,465,825,077,376
  5. Step 5: Solve for x
    x = 1,041,970,465,825,077,376/1,080,876,552.45
  6. Step 6: Final answer
    x = 964,005,060.03

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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.