Home / 649,575,043.92-896,412,601.44-352,216,745.76

Finding the Fourth Proportional to 649,575,043.92, 896,412,601.44 and 352,216,745.76

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Solution

The fourth proportional to 649,575,043.92, 896,412,601.44 and 352,216,745.76 is: 486,058,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,575,043.92 : 896,412,601.44 = 352,216,745.76 : x
  2. Step 2: Convert to fraction form
    649,575,043.92/896,412,601.44 = 352,216,745.76/x
  3. Step 3: Cross multiply
    649,575,043.92x = 896,412,601.44 × 352,216,745.76
  4. Step 4: Simplify right side
    649,575,043.92x = 315,731,529,337,452,672
  5. Step 5: Solve for x
    x = 315,731,529,337,452,672/649,575,043.92
  6. Step 6: Final answer
    x = 486,058,589.06

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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.