Home / 554,844,315.86-765,679,060.21-300,519,345.25

Finding the Fourth Proportional to 554,844,315.86, 765,679,060.21 and 300,519,345.25

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Solution

The fourth proportional to 554,844,315.86, 765,679,060.21 and 300,519,345.25 is: 414,713,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,844,315.86 : 765,679,060.21 = 300,519,345.25 : x
  2. Step 2: Convert to fraction form
    554,844,315.86/765,679,060.21 = 300,519,345.25/x
  3. Step 3: Cross multiply
    554,844,315.86x = 765,679,060.21 × 300,519,345.25
  4. Step 4: Simplify right side
    554,844,315.86x = 230,101,369,840,613,568
  5. Step 5: Solve for x
    x = 230,101,369,840,613,568/554,844,315.86
  6. Step 6: Final answer
    x = 414,713,394.85

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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.