Home / 288,923,792.40-433,385,688.60-266,815,846.80

Finding the Fourth Proportional to 288,923,792.40, 433,385,688.60 and 266,815,846.80

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Solution

The fourth proportional to 288,923,792.40, 433,385,688.60 and 266,815,846.80 is: 400,223,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,923,792.40 : 433,385,688.60 = 266,815,846.80 : x
  2. Step 2: Convert to fraction form
    288,923,792.40/433,385,688.60 = 266,815,846.80/x
  3. Step 3: Cross multiply
    288,923,792.40x = 433,385,688.60 × 266,815,846.80
  4. Step 4: Simplify right side
    288,923,792.40x = 115,634,169,494,810,112
  5. Step 5: Solve for x
    x = 115,634,169,494,810,112/288,923,792.40
  6. Step 6: Final answer
    x = 400,223,770.20

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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.