Home / 268,272,002.80-402,408,004.20-266,571,391.60

Finding the Fourth Proportional to 268,272,002.80, 402,408,004.20 and 266,571,391.60

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Solution

The fourth proportional to 268,272,002.80, 402,408,004.20 and 266,571,391.60 is: 399,857,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,002.80 : 402,408,004.20 = 266,571,391.60 : x
  2. Step 2: Convert to fraction form
    268,272,002.80/402,408,004.20 = 266,571,391.60/x
  3. Step 3: Cross multiply
    268,272,002.80x = 402,408,004.20 × 266,571,391.60
  4. Step 4: Simplify right side
    268,272,002.80x = 107,270,461,670,572,640
  5. Step 5: Solve for x
    x = 107,270,461,670,572,640/268,272,002.80
  6. Step 6: Final answer
    x = 399,857,087.40

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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.