Home / 393,546,814.29-543,108,005.56-232,748,637.15

Finding the Fourth Proportional to 393,546,814.29, 543,108,005.56 and 232,748,637.15

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Solution

The fourth proportional to 393,546,814.29, 543,108,005.56 and 232,748,637.15 is: 321,201,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,546,814.29 : 543,108,005.56 = 232,748,637.15 : x
  2. Step 2: Convert to fraction form
    393,546,814.29/543,108,005.56 = 232,748,637.15/x
  3. Step 3: Cross multiply
    393,546,814.29x = 543,108,005.56 × 232,748,637.15
  4. Step 4: Simplify right side
    393,546,814.29x = 126,407,648,122,323,904
  5. Step 5: Solve for x
    x = 126,407,648,122,323,904/393,546,814.29
  6. Step 6: Final answer
    x = 321,201,045.29

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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.