Home / 340,726,418.40-511,089,627.60-320,571,026.40

Finding the Fourth Proportional to 340,726,418.40, 511,089,627.60 and 320,571,026.40

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Solution

The fourth proportional to 340,726,418.40, 511,089,627.60 and 320,571,026.40 is: 480,856,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,726,418.40 : 511,089,627.60 = 320,571,026.40 : x
  2. Step 2: Convert to fraction form
    340,726,418.40/511,089,627.60 = 320,571,026.40/x
  3. Step 3: Cross multiply
    340,726,418.40x = 511,089,627.60 × 320,571,026.40
  4. Step 4: Simplify right side
    340,726,418.40x = 163,840,526,502,125,760
  5. Step 5: Solve for x
    x = 163,840,526,502,125,760/340,726,418.40
  6. Step 6: Final answer
    x = 480,856,539.60

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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.