Home / 672,188,027.50-927,635,880.45-374,827,367.44

Finding the Fourth Proportional to 672,188,027.50, 927,635,880.45 and 374,827,367.44

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Solution

The fourth proportional to 672,188,027.50, 927,635,880.45 and 374,827,367.44 is: 517,270,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,188,027.50 : 927,635,880.45 = 374,827,367.44 : x
  2. Step 2: Convert to fraction form
    672,188,027.50/927,635,880.45 = 374,827,367.44/x
  3. Step 3: Cross multiply
    672,188,027.50x = 927,635,880.45 × 374,827,367.44
  4. Step 4: Simplify right side
    672,188,027.50x = 347,703,315,011,960,064
  5. Step 5: Solve for x
    x = 347,703,315,011,960,064/672,188,027.50
  6. Step 6: Final answer
    x = 517,270,913.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.