Home / 523,377,214.31-722,239,527.56-285,217,341.44

Finding the Fourth Proportional to 523,377,214.31, 722,239,527.56 and 285,217,341.44

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Solution

The fourth proportional to 523,377,214.31, 722,239,527.56 and 285,217,341.44 is: 393,588,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,377,214.31 : 722,239,527.56 = 285,217,341.44 : x
  2. Step 2: Convert to fraction form
    523,377,214.31/722,239,527.56 = 285,217,341.44/x
  3. Step 3: Cross multiply
    523,377,214.31x = 722,239,527.56 × 285,217,341.44
  4. Step 4: Simplify right side
    523,377,214.31x = 205,995,237,934,993,888
  5. Step 5: Solve for x
    x = 205,995,237,934,993,888/523,377,214.31
  6. Step 6: Final answer
    x = 393,588,471.76

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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.