Home / 513,640,721.62-770,452,065.30-355,928,297.86

Finding the Fourth Proportional to 513,640,721.62, 770,452,065.30 and 355,928,297.86

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Solution

The fourth proportional to 513,640,721.62, 770,452,065.30 and 355,928,297.86 is: 533,886,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,640,721.62 : 770,452,065.30 = 355,928,297.86 : x
  2. Step 2: Convert to fraction form
    513,640,721.62/770,452,065.30 = 355,928,297.86/x
  3. Step 3: Cross multiply
    513,640,721.62x = 770,452,065.30 × 355,928,297.86
  4. Step 4: Simplify right side
    513,640,721.62x = 274,225,692,184,950,560
  5. Step 5: Solve for x
    x = 274,225,692,184,950,560/513,640,721.62
  6. Step 6: Final answer
    x = 533,886,198.35

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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.