Home / 542,415,564.08-748,692,781.44-354,272,620.48

Finding the Fourth Proportional to 542,415,564.08, 748,692,781.44 and 354,272,620.48

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Solution

The fourth proportional to 542,415,564.08, 748,692,781.44 and 354,272,620.48 is: 489,000,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,415,564.08 : 748,692,781.44 = 354,272,620.48 : x
  2. Step 2: Convert to fraction form
    542,415,564.08/748,692,781.44 = 354,272,620.48/x
  3. Step 3: Cross multiply
    542,415,564.08x = 748,692,781.44 × 354,272,620.48
  4. Step 4: Simplify right side
    542,415,564.08x = 265,241,353,615,208,736
  5. Step 5: Solve for x
    x = 265,241,353,615,208,736/542,415,564.08
  6. Step 6: Final answer
    x = 489,000,263.23

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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.