Home / 570,609,891-856,207,694.76-271,817,194.80

Finding the Fourth Proportional to 570,609,891, 856,207,694.76 and 271,817,194.80

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Solution

The fourth proportional to 570,609,891, 856,207,694.76 and 271,817,194.80 is: 407,865,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,609,891 : 856,207,694.76 = 271,817,194.80 : x
  2. Step 2: Convert to fraction form
    570,609,891/856,207,694.76 = 271,817,194.80/x
  3. Step 3: Cross multiply
    570,609,891x = 856,207,694.76 × 271,817,194.80
  4. Step 4: Simplify right side
    570,609,891x = 232,731,973,755,837,856
  5. Step 5: Solve for x
    x = 232,731,973,755,837,856/570,609,891
  6. Step 6: Final answer
    x = 407,865,298.91

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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.