Home / 356,823,005.69-492,588,761.52-239,305,348.01

Finding the Fourth Proportional to 356,823,005.69, 492,588,761.52 and 239,305,348.01

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Solution

The fourth proportional to 356,823,005.69, 492,588,761.52 and 239,305,348.01 is: 330,357,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,823,005.69 : 492,588,761.52 = 239,305,348.01 : x
  2. Step 2: Convert to fraction form
    356,823,005.69/492,588,761.52 = 239,305,348.01/x
  3. Step 3: Cross multiply
    356,823,005.69x = 492,588,761.52 × 239,305,348.01
  4. Step 4: Simplify right side
    356,823,005.69x = 117,879,125,001,358,480
  5. Step 5: Solve for x
    x = 117,879,125,001,358,480/356,823,005.69
  6. Step 6: Final answer
    x = 330,357,412.84

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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.