Home / 1,040,145,617.33-1,435,400,606.48-570,236,849.21

Finding the Fourth Proportional to 1,040,145,617.33, 1,435,400,606.48 and 570,236,849.21

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Solution

The fourth proportional to 1,040,145,617.33, 1,435,400,606.48 and 570,236,849.21 is: 786,926,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,145,617.33 : 1,435,400,606.48 = 570,236,849.21 : x
  2. Step 2: Convert to fraction form
    1,040,145,617.33/1,435,400,606.48 = 570,236,849.21/x
  3. Step 3: Cross multiply
    1,040,145,617.33x = 1,435,400,606.48 × 570,236,849.21
  4. Step 4: Simplify right side
    1,040,145,617.33x = 818,518,319,193,278,336
  5. Step 5: Solve for x
    x = 818,518,319,193,278,336/1,040,145,617.33
  6. Step 6: Final answer
    x = 786,926,662.53

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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.