Home / 573,848,910.38-859,876,558.85-399,312,953.42

Finding the Fourth Proportional to 573,848,910.38, 859,876,558.85 and 399,312,953.42

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Solution

The fourth proportional to 573,848,910.38, 859,876,558.85 and 399,312,953.42 is: 598,345,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,848,910.38 : 859,876,558.85 = 399,312,953.42 : x
  2. Step 2: Convert to fraction form
    573,848,910.38/859,876,558.85 = 399,312,953.42/x
  3. Step 3: Cross multiply
    573,848,910.38x = 859,876,558.85 × 399,312,953.42
  4. Step 4: Simplify right side
    573,848,910.38x = 343,359,848,287,718,848
  5. Step 5: Solve for x
    x = 343,359,848,287,718,848/573,848,910.38
  6. Step 6: Final answer
    x = 598,345,386.87

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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.