Home / 789,473,450.70-1,089,430,200.02-432,172,107.20

Finding the Fourth Proportional to 789,473,450.70, 1,089,430,200.02 and 432,172,107.20

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Solution

The fourth proportional to 789,473,450.70, 1,089,430,200.02 and 432,172,107.20 is: 596,373,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,473,450.70 : 1,089,430,200.02 = 432,172,107.20 : x
  2. Step 2: Convert to fraction form
    789,473,450.70/1,089,430,200.02 = 432,172,107.20/x
  3. Step 3: Cross multiply
    789,473,450.70x = 1,089,430,200.02 × 432,172,107.20
  4. Step 4: Simplify right side
    789,473,450.70x = 470,821,345,189,960,832
  5. Step 5: Solve for x
    x = 470,821,345,189,960,832/789,473,450.70
  6. Step 6: Final answer
    x = 596,373,880.30

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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.