Home / 670,932,121.20-925,924,437.72-403,089,874.80

Finding the Fourth Proportional to 670,932,121.20, 925,924,437.72 and 403,089,874.80

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Solution

The fourth proportional to 670,932,121.20, 925,924,437.72 and 403,089,874.80 is: 556,286,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,932,121.20 : 925,924,437.72 = 403,089,874.80 : x
  2. Step 2: Convert to fraction form
    670,932,121.20/925,924,437.72 = 403,089,874.80/x
  3. Step 3: Cross multiply
    670,932,121.20x = 925,924,437.72 × 403,089,874.80
  4. Step 4: Simplify right side
    670,932,121.20x = 373,230,765,674,815,232
  5. Step 5: Solve for x
    x = 373,230,765,674,815,232/670,932,121.20
  6. Step 6: Final answer
    x = 556,286,923.64

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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.