Home / 764,836,303,979.90-1,055,488,790,695.60-417,620,349,728.58

Finding the Fourth Proportional to 764,836,303,979.90, 1,055,488,790,695.60 and 417,620,349,728.58

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Solution

The fourth proportional to 764,836,303,979.90, 1,055,488,790,695.60 and 417,620,349,728.58 is: 576,324,104,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,836,303,979.90 : 1,055,488,790,695.60 = 417,620,349,728.58 : x
  2. Step 2: Convert to fraction form
    764,836,303,979.90/1,055,488,790,695.60 = 417,620,349,728.58/x
  3. Step 3: Cross multiply
    764,836,303,979.90x = 1,055,488,790,695.60 × 417,620,349,728.58
  4. Step 4: Simplify right side
    764,836,303,979.90x = 440,793,597,904,892,454,764,544
  5. Step 5: Solve for x
    x = 440,793,597,904,892,454,764,544/764,836,303,979.90
  6. Step 6: Final answer
    x = 576,324,104,401.40

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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.