Home / 579,366,893.40-869,050,340.10-515,877,408.60

Finding the Fourth Proportional to 579,366,893.40, 869,050,340.10 and 515,877,408.60

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Solution

The fourth proportional to 579,366,893.40, 869,050,340.10 and 515,877,408.60 is: 773,816,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,366,893.40 : 869,050,340.10 = 515,877,408.60 : x
  2. Step 2: Convert to fraction form
    579,366,893.40/869,050,340.10 = 515,877,408.60/x
  3. Step 3: Cross multiply
    579,366,893.40x = 869,050,340.10 × 515,877,408.60
  4. Step 4: Simplify right side
    579,366,893.40x = 448,323,437,393,736,704
  5. Step 5: Solve for x
    x = 448,323,437,393,736,704/579,366,893.40
  6. Step 6: Final answer
    x = 773,816,112.90

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Double scale
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Similar ratio
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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.