Home / 536,238,582.31-740,071,242.80-313,275,998.31

Finding the Fourth Proportional to 536,238,582.31, 740,071,242.80 and 313,275,998.31

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Solution

The fourth proportional to 536,238,582.31, 740,071,242.80 and 313,275,998.31 is: 432,357,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,238,582.31 : 740,071,242.80 = 313,275,998.31 : x
  2. Step 2: Convert to fraction form
    536,238,582.31/740,071,242.80 = 313,275,998.31/x
  3. Step 3: Cross multiply
    536,238,582.31x = 740,071,242.80 × 313,275,998.31
  4. Step 4: Simplify right side
    536,238,582.31x = 231,846,557,408,976,192
  5. Step 5: Solve for x
    x = 231,846,557,408,976,192/536,238,582.31
  6. Step 6: Final answer
    x = 432,357,098.24

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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.