Home / 489,944,975.40-734,901,716.70-162,435,601.80

Finding the Fourth Proportional to 489,944,975.40, 734,901,716.70 and 162,435,601.80

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Solution

The fourth proportional to 489,944,975.40, 734,901,716.70 and 162,435,601.80 is: 243,648,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,944,975.40 : 734,901,716.70 = 162,435,601.80 : x
  2. Step 2: Convert to fraction form
    489,944,975.40/734,901,716.70 = 162,435,601.80/x
  3. Step 3: Cross multiply
    489,944,975.40x = 734,901,716.70 × 162,435,601.80
  4. Step 4: Simplify right side
    489,944,975.40x = 119,374,202,616,017,632
  5. Step 5: Solve for x
    x = 119,374,202,616,017,632/489,944,975.40
  6. Step 6: Final answer
    x = 243,648,182.16

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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.