Home / 691,315,272.02-954,089,008.47-423,568,793.68

Finding the Fourth Proportional to 691,315,272.02, 954,089,008.47 and 423,568,793.68

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Solution

The fourth proportional to 691,315,272.02, 954,089,008.47 and 423,568,793.68 is: 584,570,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,315,272.02 : 954,089,008.47 = 423,568,793.68 : x
  2. Step 2: Convert to fraction form
    691,315,272.02/954,089,008.47 = 423,568,793.68/x
  3. Step 3: Cross multiply
    691,315,272.02x = 954,089,008.47 × 423,568,793.68
  4. Step 4: Simplify right side
    691,315,272.02x = 404,122,330,378,600,000
  5. Step 5: Solve for x
    x = 404,122,330,378,600,000/691,315,272.02
  6. Step 6: Final answer
    x = 584,570,234.06

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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.