Home / 356,823,005.19-492,588,760.82-239,305,347.51

Finding the Fourth Proportional to 356,823,005.19, 492,588,760.82 and 239,305,347.51

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Solution

The fourth proportional to 356,823,005.19, 492,588,760.82 and 239,305,347.51 is: 330,357,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,823,005.19 : 492,588,760.82 = 239,305,347.51 : x
  2. Step 2: Convert to fraction form
    356,823,005.19/492,588,760.82 = 239,305,347.51/x
  3. Step 3: Cross multiply
    356,823,005.19x = 492,588,760.82 × 239,305,347.51
  4. Step 4: Simplify right side
    356,823,005.19x = 117,879,124,587,550,368
  5. Step 5: Solve for x
    x = 117,879,124,587,550,368/356,823,005.19
  6. Step 6: Final answer
    x = 330,357,412.14

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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.