Home / 789,473,361.88-1,089,430,077.42-432,172,018.18

Finding the Fourth Proportional to 789,473,361.88, 1,089,430,077.42 and 432,172,018.18

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Solution

The fourth proportional to 789,473,361.88, 1,089,430,077.42 and 432,172,018.18 is: 596,373,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,473,361.88 : 1,089,430,077.42 = 432,172,018.18 : x
  2. Step 2: Convert to fraction form
    789,473,361.88/1,089,430,077.42 = 432,172,018.18/x
  3. Step 3: Cross multiply
    789,473,361.88x = 1,089,430,077.42 × 432,172,018.18
  4. Step 4: Simplify right side
    789,473,361.88x = 470,821,195,224,595,072
  5. Step 5: Solve for x
    x = 470,821,195,224,595,072/789,473,361.88
  6. Step 6: Final answer
    x = 596,373,757.44

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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.