Home / 764,836,303,981.50-1,055,488,790,697.90-417,620,349,730.20

Finding the Fourth Proportional to 764,836,303,981.50, 1,055,488,790,697.90 and 417,620,349,730.20

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Solution

The fourth proportional to 764,836,303,981.50, 1,055,488,790,697.90 and 417,620,349,730.20 is: 576,324,104,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,836,303,981.50 : 1,055,488,790,697.90 = 417,620,349,730.20 : x
  2. Step 2: Convert to fraction form
    764,836,303,981.50/1,055,488,790,697.90 = 417,620,349,730.20/x
  3. Step 3: Cross multiply
    764,836,303,981.50x = 1,055,488,790,697.90 × 417,620,349,730.20
  4. Step 4: Simplify right side
    764,836,303,981.50x = 440,793,597,907,562,917,789,696
  5. Step 5: Solve for x
    x = 440,793,597,907,562,917,789,696/764,836,303,981.50
  6. Step 6: Final answer
    x = 576,324,104,403.69

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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.