Home / 7,135,219,879.60-10,702,829,819.40-1,965,361,831.60

Finding the Fourth Proportional to 7,135,219,879.60, 10,702,829,819.40 and 1,965,361,831.60

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Solution

The fourth proportional to 7,135,219,879.60, 10,702,829,819.40 and 1,965,361,831.60 is: 2,948,042,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,219,879.60 : 10,702,829,819.40 = 1,965,361,831.60 : x
  2. Step 2: Convert to fraction form
    7,135,219,879.60/10,702,829,819.40 = 1,965,361,831.60/x
  3. Step 3: Cross multiply
    7,135,219,879.60x = 10,702,829,819.40 × 1,965,361,831.60
  4. Step 4: Simplify right side
    7,135,219,879.60x = 21,034,933,217,159,077,888
  5. Step 5: Solve for x
    x = 21,034,933,217,159,077,888/7,135,219,879.60
  6. Step 6: Final answer
    x = 2,948,042,747.40

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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.