Home / 715,662,917.10-1,073,494,375.65-579,614,021.10

Finding the Fourth Proportional to 715,662,917.10, 1,073,494,375.65 and 579,614,021.10

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Solution

The fourth proportional to 715,662,917.10, 1,073,494,375.65 and 579,614,021.10 is: 869,421,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,662,917.10 : 1,073,494,375.65 = 579,614,021.10 : x
  2. Step 2: Convert to fraction form
    715,662,917.10/1,073,494,375.65 = 579,614,021.10/x
  3. Step 3: Cross multiply
    715,662,917.10x = 1,073,494,375.65 × 579,614,021.10
  4. Step 4: Simplify right side
    715,662,917.10x = 622,212,391,698,730,496
  5. Step 5: Solve for x
    x = 622,212,391,698,730,496/715,662,917.10
  6. Step 6: Final answer
    x = 869,421,031.65

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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.