Home / 582,331,018.86-873,930,362.40-427,285,474.56

Finding the Fourth Proportional to 582,331,018.86, 873,930,362.40 and 427,285,474.56

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Solution

The fourth proportional to 582,331,018.86, 873,930,362.40 and 427,285,474.56 is: 641,246,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,331,018.86 : 873,930,362.40 = 427,285,474.56 : x
  2. Step 2: Convert to fraction form
    582,331,018.86/873,930,362.40 = 427,285,474.56/x
  3. Step 3: Cross multiply
    582,331,018.86x = 873,930,362.40 × 427,285,474.56
  4. Step 4: Simplify right side
    582,331,018.86x = 373,417,749,630,476,800
  5. Step 5: Solve for x
    x = 373,417,749,630,476,800/582,331,018.86
  6. Step 6: Final answer
    x = 641,246,537.68

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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.