Home / 511,526,973.42-705,746,083.41-313,081,589.61

Finding the Fourth Proportional to 511,526,973.42, 705,746,083.41 and 313,081,589.61

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Solution

The fourth proportional to 511,526,973.42, 705,746,083.41 and 313,081,589.61 is: 431,953,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,526,973.42 : 705,746,083.41 = 313,081,589.61 : x
  2. Step 2: Convert to fraction form
    511,526,973.42/705,746,083.41 = 313,081,589.61/x
  3. Step 3: Cross multiply
    511,526,973.42x = 705,746,083.41 × 313,081,589.61
  4. Step 4: Simplify right side
    511,526,973.42x = 220,956,105,655,034,464
  5. Step 5: Solve for x
    x = 220,956,105,655,034,464/511,526,973.42
  6. Step 6: Final answer
    x = 431,953,967.51

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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.