Home / 650,791,634.88-898,089,389.28-353,431,796.16

Finding the Fourth Proportional to 650,791,634.88, 898,089,389.28 and 353,431,796.16

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Solution

The fourth proportional to 650,791,634.88, 898,089,389.28 and 353,431,796.16 is: 487,734,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,791,634.88 : 898,089,389.28 = 353,431,796.16 : x
  2. Step 2: Convert to fraction form
    650,791,634.88/898,089,389.28 = 353,431,796.16/x
  3. Step 3: Cross multiply
    650,791,634.88x = 898,089,389.28 × 353,431,796.16
  4. Step 4: Simplify right side
    650,791,634.88x = 317,413,345,965,467,840
  5. Step 5: Solve for x
    x = 317,413,345,965,467,840/650,791,634.88
  6. Step 6: Final answer
    x = 487,734,213.15

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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.