Home / 319,687,443.36-441,168,666.48-173,009,727.36

Finding the Fourth Proportional to 319,687,443.36, 441,168,666.48 and 173,009,727.36

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Solution

The fourth proportional to 319,687,443.36, 441,168,666.48 and 173,009,727.36 is: 238,753,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,687,443.36 : 441,168,666.48 = 173,009,727.36 : x
  2. Step 2: Convert to fraction form
    319,687,443.36/441,168,666.48 = 173,009,727.36/x
  3. Step 3: Cross multiply
    319,687,443.36x = 441,168,666.48 × 173,009,727.36
  4. Step 4: Simplify right side
    319,687,443.36x = 76,326,470,707,479,584
  5. Step 5: Solve for x
    x = 76,326,470,707,479,584/319,687,443.36
  6. Step 6: Final answer
    x = 238,753,420.86

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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.