Home / 489,402,028.80-734,103,043.20-282,494,332.80

Finding the Fourth Proportional to 489,402,028.80, 734,103,043.20 and 282,494,332.80

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Solution

The fourth proportional to 489,402,028.80, 734,103,043.20 and 282,494,332.80 is: 423,741,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,402,028.80 : 734,103,043.20 = 282,494,332.80 : x
  2. Step 2: Convert to fraction form
    489,402,028.80/734,103,043.20 = 282,494,332.80/x
  3. Step 3: Cross multiply
    489,402,028.80x = 734,103,043.20 × 282,494,332.80
  4. Step 4: Simplify right side
    489,402,028.80x = 207,379,949,395,233,600
  5. Step 5: Solve for x
    x = 207,379,949,395,233,600/489,402,028.80
  6. Step 6: Final answer
    x = 423,741,499.20

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Similar ratio
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1.5x scale

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.