Home / 703,298,729.04-1,055,045,104.50-408,332,762.30

Finding the Fourth Proportional to 703,298,729.04, 1,055,045,104.50 and 408,332,762.30

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Solution

The fourth proportional to 703,298,729.04, 1,055,045,104.50 and 408,332,762.30 is: 612,555,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,298,729.04 : 1,055,045,104.50 = 408,332,762.30 : x
  2. Step 2: Convert to fraction form
    703,298,729.04/1,055,045,104.50 = 408,332,762.30/x
  3. Step 3: Cross multiply
    703,298,729.04x = 1,055,045,104.50 × 408,332,762.30
  4. Step 4: Simplify right side
    703,298,729.04x = 430,809,481,864,260,288
  5. Step 5: Solve for x
    x = 430,809,481,864,260,288/703,298,729.04
  6. Step 6: Final answer
    x = 612,555,467.65

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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.