Home / 374,004,821.20-561,007,231.80-305,980,373.20

Finding the Fourth Proportional to 374,004,821.20, 561,007,231.80 and 305,980,373.20

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Solution

The fourth proportional to 374,004,821.20, 561,007,231.80 and 305,980,373.20 is: 458,970,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,004,821.20 : 561,007,231.80 = 305,980,373.20 : x
  2. Step 2: Convert to fraction form
    374,004,821.20/561,007,231.80 = 305,980,373.20/x
  3. Step 3: Cross multiply
    374,004,821.20x = 561,007,231.80 × 305,980,373.20
  4. Step 4: Simplify right side
    374,004,821.20x = 171,657,202,154,062,880
  5. Step 5: Solve for x
    x = 171,657,202,154,062,880/374,004,821.20
  6. Step 6: Final answer
    x = 458,970,559.80

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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.