Home / 489,478,455.92-734,372,996.56-144,433,766

Finding the Fourth Proportional to 489,478,455.92, 734,372,996.56 and 144,433,766

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Solution

The fourth proportional to 489,478,455.92, 734,372,996.56 and 144,433,766 is: 216,696,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,478,455.92 : 734,372,996.56 = 144,433,766 : x
  2. Step 2: Convert to fraction form
    489,478,455.92/734,372,996.56 = 144,433,766/x
  3. Step 3: Cross multiply
    489,478,455.92x = 734,372,996.56 × 144,433,766
  4. Step 4: Simplify right side
    489,478,455.92x = 106,068,257,541,865,840
  5. Step 5: Solve for x
    x = 106,068,257,541,865,840/489,478,455.92
  6. Step 6: Final answer
    x = 216,696,478.18

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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.