Home / 439,023,537.67-605,679,663.49-253,348,676.23

Finding the Fourth Proportional to 439,023,537.67, 605,679,663.49 and 253,348,676.23

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Solution

The fourth proportional to 439,023,537.67, 605,679,663.49 and 253,348,676.23 is: 349,521,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,023,537.67 : 605,679,663.49 = 253,348,676.23 : x
  2. Step 2: Convert to fraction form
    439,023,537.67/605,679,663.49 = 253,348,676.23/x
  3. Step 3: Cross multiply
    439,023,537.67x = 605,679,663.49 × 253,348,676.23
  4. Step 4: Simplify right side
    439,023,537.67x = 153,448,140,964,623,360
  5. Step 5: Solve for x
    x = 153,448,140,964,623,360/439,023,537.67
  6. Step 6: Final answer
    x = 349,521,444.29

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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.