Home / 764,836,303,982.40-1,055,488,790,699.10-417,620,349,731.08

Finding the Fourth Proportional to 764,836,303,982.40, 1,055,488,790,699.10 and 417,620,349,731.08

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Solution

The fourth proportional to 764,836,303,982.40, 1,055,488,790,699.10 and 417,620,349,731.08 is: 576,324,104,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,836,303,982.40 : 1,055,488,790,699.10 = 417,620,349,731.08 : x
  2. Step 2: Convert to fraction form
    764,836,303,982.40/1,055,488,790,699.10 = 417,620,349,731.08/x
  3. Step 3: Cross multiply
    764,836,303,982.40x = 1,055,488,790,699.10 × 417,620,349,731.08
  4. Step 4: Simplify right side
    764,836,303,982.40x = 440,793,597,908,992,873,463,808
  5. Step 5: Solve for x
    x = 440,793,597,908,992,873,463,808/764,836,303,982.40
  6. Step 6: Final answer
    x = 576,324,104,404.88

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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.