Home / 661,992,767.57-913,550,015.84-383,695,716.31

Finding the Fourth Proportional to 661,992,767.57, 913,550,015.84 and 383,695,716.31

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Solution

The fourth proportional to 661,992,767.57, 913,550,015.84 and 383,695,716.31 is: 529,500,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,992,767.57 : 913,550,015.84 = 383,695,716.31 : x
  2. Step 2: Convert to fraction form
    661,992,767.57/913,550,015.84 = 383,695,716.31/x
  3. Step 3: Cross multiply
    661,992,767.57x = 913,550,015.84 × 383,695,716.31
  4. Step 4: Simplify right side
    661,992,767.57x = 350,525,227,708,538,304
  5. Step 5: Solve for x
    x = 350,525,227,708,538,304/661,992,767.57
  6. Step 6: Final answer
    x = 529,500,086.52

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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.