Home / 613,497,571.19-920,337,172.33-225,290,134.45

Finding the Fourth Proportional to 613,497,571.19, 920,337,172.33 and 225,290,134.45

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Solution

The fourth proportional to 613,497,571.19, 920,337,172.33 and 225,290,134.45 is: 337,968,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,497,571.19 : 920,337,172.33 = 225,290,134.45 : x
  2. Step 2: Convert to fraction form
    613,497,571.19/920,337,172.33 = 225,290,134.45/x
  3. Step 3: Cross multiply
    613,497,571.19x = 920,337,172.33 × 225,290,134.45
  4. Step 4: Simplify right side
    613,497,571.19x = 207,342,885,290,694,432
  5. Step 5: Solve for x
    x = 207,342,885,290,694,432/613,497,571.19
  6. Step 6: Final answer
    x = 337,968,551.19

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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.