Home / 489,478,441.92-734,372,975.52-144,433,752

Finding the Fourth Proportional to 489,478,441.92, 734,372,975.52 and 144,433,752

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Solution

The fourth proportional to 489,478,441.92, 734,372,975.52 and 144,433,752 is: 216,696,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,478,441.92 : 734,372,975.52 = 144,433,752 : x
  2. Step 2: Convert to fraction form
    489,478,441.92/734,372,975.52 = 144,433,752/x
  3. Step 3: Cross multiply
    489,478,441.92x = 734,372,975.52 × 144,433,752
  4. Step 4: Simplify right side
    489,478,441.92x = 106,068,244,221,757,744
  5. Step 5: Solve for x
    x = 106,068,244,221,757,744/489,478,441.92
  6. Step 6: Final answer
    x = 216,696,457.16

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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.