Home / 489,832,192.32-734,749,299.36-459,901,435.20

Finding the Fourth Proportional to 489,832,192.32, 734,749,299.36 and 459,901,435.20

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Solution

The fourth proportional to 489,832,192.32, 734,749,299.36 and 459,901,435.20 is: 689,853,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,832,192.32 : 734,749,299.36 = 459,901,435.20 : x
  2. Step 2: Convert to fraction form
    489,832,192.32/734,749,299.36 = 459,901,435.20/x
  3. Step 3: Cross multiply
    489,832,192.32x = 734,749,299.36 × 459,901,435.20
  4. Step 4: Simplify right side
    489,832,192.32x = 337,912,257,287,858,432
  5. Step 5: Solve for x
    x = 337,912,257,287,858,432/489,832,192.32
  6. Step 6: Final answer
    x = 689,853,101.91

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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.