Home / 489,963,005.20-734,094,202.20-413,435,501.20

Finding the Fourth Proportional to 489,963,005.20, 734,094,202.20 and 413,435,501.20

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Solution

The fourth proportional to 489,963,005.20, 734,094,202.20 and 413,435,501.20 is: 619,435,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,963,005.20 : 734,094,202.20 = 413,435,501.20 : x
  2. Step 2: Convert to fraction form
    489,963,005.20/734,094,202.20 = 413,435,501.20/x
  3. Step 3: Cross multiply
    489,963,005.20x = 734,094,202.20 × 413,435,501.20
  4. Step 4: Simplify right side
    489,963,005.20x = 303,500,604,414,571,136
  5. Step 5: Solve for x
    x = 303,500,604,414,571,136/489,963,005.20
  6. Step 6: Final answer
    x = 619,435,755.75

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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.