Home / 319,694,808.10-441,174,178.30-178,568,036.68

Finding the Fourth Proportional to 319,694,808.10, 441,174,178.30 and 178,568,036.68

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Solution

The fourth proportional to 319,694,808.10, 441,174,178.30 and 178,568,036.68 is: 246,421,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,694,808.10 : 441,174,178.30 = 178,568,036.68 : x
  2. Step 2: Convert to fraction form
    319,694,808.10/441,174,178.30 = 178,568,036.68/x
  3. Step 3: Cross multiply
    319,694,808.10x = 441,174,178.30 × 178,568,036.68
  4. Step 4: Simplify right side
    319,694,808.10x = 78,779,606,852,943,264
  5. Step 5: Solve for x
    x = 78,779,606,852,943,264/319,694,808.10
  6. Step 6: Final answer
    x = 246,421,289.48

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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.