Home / 489,887,629.29-676,044,630.37-269,871,055.29

Finding the Fourth Proportional to 489,887,629.29, 676,044,630.37 and 269,871,055.29

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Solution

The fourth proportional to 489,887,629.29, 676,044,630.37 and 269,871,055.29 is: 372,421,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,887,629.29 : 676,044,630.37 = 269,871,055.29 : x
  2. Step 2: Convert to fraction form
    489,887,629.29/676,044,630.37 = 269,871,055.29/x
  3. Step 3: Cross multiply
    489,887,629.29x = 676,044,630.37 × 269,871,055.29
  4. Step 4: Simplify right side
    489,887,629.29x = 182,444,877,821,089,888
  5. Step 5: Solve for x
    x = 182,444,877,821,089,888/489,887,629.29
  6. Step 6: Final answer
    x = 372,421,892.11

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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.