Home / 648,978,072.26-973,467,109.20-157,688,817.62

Finding the Fourth Proportional to 648,978,072.26, 973,467,109.20 and 157,688,817.62

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Solution

The fourth proportional to 648,978,072.26, 973,467,109.20 and 157,688,817.62 is: 236,533,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,978,072.26 : 973,467,109.20 = 157,688,817.62 : x
  2. Step 2: Convert to fraction form
    648,978,072.26/973,467,109.20 = 157,688,817.62/x
  3. Step 3: Cross multiply
    648,978,072.26x = 973,467,109.20 × 157,688,817.62
  4. Step 4: Simplify right side
    648,978,072.26x = 153,504,877,441,707,424
  5. Step 5: Solve for x
    x = 153,504,877,441,707,424/648,978,072.26
  6. Step 6: Final answer
    x = 236,533,226.63

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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.