Home / 505,517,783.60-757,142,934.60-414,818,519.60

Finding the Fourth Proportional to 505,517,783.60, 757,142,934.60 and 414,818,519.60

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Solution

The fourth proportional to 505,517,783.60, 757,142,934.60 and 414,818,519.60 is: 621,297,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,517,783.60 : 757,142,934.60 = 414,818,519.60 : x
  2. Step 2: Convert to fraction form
    505,517,783.60/757,142,934.60 = 414,818,519.60/x
  3. Step 3: Cross multiply
    505,517,783.60x = 757,142,934.60 × 414,818,519.60
  4. Step 4: Simplify right side
    505,517,783.60x = 314,076,911,256,371,648
  5. Step 5: Solve for x
    x = 314,076,911,256,371,648/505,517,783.60
  6. Step 6: Final answer
    x = 621,297,452.72

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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.