Home / 579,366,917.15-869,050,375.73-515,877,432.35

Finding the Fourth Proportional to 579,366,917.15, 869,050,375.73 and 515,877,432.35

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Solution

The fourth proportional to 579,366,917.15, 869,050,375.73 and 515,877,432.35 is: 773,816,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,366,917.15 : 869,050,375.73 = 515,877,432.35 : x
  2. Step 2: Convert to fraction form
    579,366,917.15/869,050,375.73 = 515,877,432.35/x
  3. Step 3: Cross multiply
    579,366,917.15x = 869,050,375.73 × 515,877,432.35
  4. Step 4: Simplify right side
    579,366,917.15x = 448,323,476,414,395,200
  5. Step 5: Solve for x
    x = 448,323,476,414,395,200/579,366,917.15
  6. Step 6: Final answer
    x = 773,816,148.53

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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.