Home / 1,720,300,824.72-2,580,443,872.36-476,727,736.56

Finding the Fourth Proportional to 1,720,300,824.72, 2,580,443,872.36 and 476,727,736.56

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Solution

The fourth proportional to 1,720,300,824.72, 2,580,443,872.36 and 476,727,736.56 is: 715,089,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,300,824.72 : 2,580,443,872.36 = 476,727,736.56 : x
  2. Step 2: Convert to fraction form
    1,720,300,824.72/2,580,443,872.36 = 476,727,736.56/x
  3. Step 3: Cross multiply
    1,720,300,824.72x = 2,580,443,872.36 × 476,727,736.56
  4. Step 4: Simplify right side
    1,720,300,824.72x = 1,230,169,166,590,304,512
  5. Step 5: Solve for x
    x = 1,230,169,166,590,304,512/1,720,300,824.72
  6. Step 6: Final answer
    x = 715,089,563.94

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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.