Home / 398,725,732,843.39-598,090,132,802.31-96,537,832,135.66

Finding the Fourth Proportional to 398,725,732,843.39, 598,090,132,802.31 and 96,537,832,135.66

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Solution

The fourth proportional to 398,725,732,843.39, 598,090,132,802.31 and 96,537,832,135.66 is: 144,807,119,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,725,732,843.39 : 598,090,132,802.31 = 96,537,832,135.66 : x
  2. Step 2: Convert to fraction form
    398,725,732,843.39/598,090,132,802.31 = 96,537,832,135.66/x
  3. Step 3: Cross multiply
    398,725,732,843.39x = 598,090,132,802.31 × 96,537,832,135.66
  4. Step 4: Simplify right side
    398,725,732,843.39x = 57,738,324,842,464,006,897,664
  5. Step 5: Solve for x
    x = 57,738,324,842,464,006,897,664/398,725,732,843.39
  6. Step 6: Final answer
    x = 144,807,119,497.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.