Home / 296,470,077-408,890,148.60-260,629,886.13

Finding the Fourth Proportional to 296,470,077, 408,890,148.60 and 260,629,886.13

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Solution

The fourth proportional to 296,470,077, 408,890,148.60 and 260,629,886.13 is: 359,459,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,470,077 : 408,890,148.60 = 260,629,886.13 : x
  2. Step 2: Convert to fraction form
    296,470,077/408,890,148.60 = 260,629,886.13/x
  3. Step 3: Cross multiply
    296,470,077x = 408,890,148.60 × 260,629,886.13
  4. Step 4: Simplify right side
    296,470,077x = 106,568,992,869,296,784
  5. Step 5: Solve for x
    x = 106,568,992,869,296,784/296,470,077
  6. Step 6: Final answer
    x = 359,459,524.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.