Home / 573,085,733.40-857,644,553.70-343,219,786.20

Finding the Fourth Proportional to 573,085,733.40, 857,644,553.70 and 343,219,786.20

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Solution

The fourth proportional to 573,085,733.40, 857,644,553.70 and 343,219,786.20 is: 513,641,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,085,733.40 : 857,644,553.70 = 343,219,786.20 : x
  2. Step 2: Convert to fraction form
    573,085,733.40/857,644,553.70 = 343,219,786.20/x
  3. Step 3: Cross multiply
    573,085,733.40x = 857,644,553.70 × 343,219,786.20
  4. Step 4: Simplify right side
    573,085,733.40x = 294,360,580,356,508,416
  5. Step 5: Solve for x
    x = 294,360,580,356,508,416/573,085,733.40
  6. Step 6: Final answer
    x = 513,641,438.27

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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.