Home / 703,298,729.54-1,055,045,105.24-408,332,762.80

Finding the Fourth Proportional to 703,298,729.54, 1,055,045,105.24 and 408,332,762.80

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Solution

The fourth proportional to 703,298,729.54, 1,055,045,105.24 and 408,332,762.80 is: 612,555,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,298,729.54 : 1,055,045,105.24 = 408,332,762.80 : x
  2. Step 2: Convert to fraction form
    703,298,729.54/1,055,045,105.24 = 408,332,762.80/x
  3. Step 3: Cross multiply
    703,298,729.54x = 1,055,045,105.24 × 408,332,762.80
  4. Step 4: Simplify right side
    703,298,729.54x = 430,809,482,701,265,984
  5. Step 5: Solve for x
    x = 430,809,482,701,265,984/703,298,729.54
  6. Step 6: Final answer
    x = 612,555,468.40

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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.