Home / 703,298,707.10-1,055,045,071.60-408,332,740.29

Finding the Fourth Proportional to 703,298,707.10, 1,055,045,071.60 and 408,332,740.29

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Solution

The fourth proportional to 703,298,707.10, 1,055,045,071.60 and 408,332,740.29 is: 612,555,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,298,707.10 : 1,055,045,071.60 = 408,332,740.29 : x
  2. Step 2: Convert to fraction form
    703,298,707.10/1,055,045,071.60 = 408,332,740.29/x
  3. Step 3: Cross multiply
    703,298,707.10x = 1,055,045,071.60 × 408,332,740.29
  4. Step 4: Simplify right side
    703,298,707.10x = 430,809,445,216,908,096
  5. Step 5: Solve for x
    x = 430,809,445,216,908,096/703,298,707.10
  6. Step 6: Final answer
    x = 612,555,434.65

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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.