Home / 864,825,514.22-1,299,307,786-554,541,047.55

Finding the Fourth Proportional to 864,825,514.22, 1,299,307,786 and 554,541,047.55

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Solution

The fourth proportional to 864,825,514.22, 1,299,307,786 and 554,541,047.55 is: 833,138,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,825,514.22 : 1,299,307,786 = 554,541,047.55 : x
  2. Step 2: Convert to fraction form
    864,825,514.22/1,299,307,786 = 554,541,047.55/x
  3. Step 3: Cross multiply
    864,825,514.22x = 1,299,307,786 × 554,541,047.55
  4. Step 4: Simplify right side
    864,825,514.22x = 720,519,500,738,311,168
  5. Step 5: Solve for x
    x = 720,519,500,738,311,168/864,825,514.22
  6. Step 6: Final answer
    x = 833,138,579.85

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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.