Home / 489,402,456.80-734,103,685.20-295,910,693.60

Finding the Fourth Proportional to 489,402,456.80, 734,103,685.20 and 295,910,693.60

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Solution

The fourth proportional to 489,402,456.80, 734,103,685.20 and 295,910,693.60 is: 443,866,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,402,456.80 : 734,103,685.20 = 295,910,693.60 : x
  2. Step 2: Convert to fraction form
    489,402,456.80/734,103,685.20 = 295,910,693.60/x
  3. Step 3: Cross multiply
    489,402,456.80x = 734,103,685.20 × 295,910,693.60
  4. Step 4: Simplify right side
    489,402,456.80x = 217,229,130,661,848,096
  5. Step 5: Solve for x
    x = 217,229,130,661,848,096/489,402,456.80
  6. Step 6: Final answer
    x = 443,866,040.40

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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.