Home / 648,978,071.26-973,467,107.70-157,688,816.62

Finding the Fourth Proportional to 648,978,071.26, 973,467,107.70 and 157,688,816.62

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Solution

The fourth proportional to 648,978,071.26, 973,467,107.70 and 157,688,816.62 is: 236,533,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,978,071.26 : 973,467,107.70 = 157,688,816.62 : x
  2. Step 2: Convert to fraction form
    648,978,071.26/973,467,107.70 = 157,688,816.62/x
  3. Step 3: Cross multiply
    648,978,071.26x = 973,467,107.70 × 157,688,816.62
  4. Step 4: Simplify right side
    648,978,071.26x = 153,504,876,231,707,104
  5. Step 5: Solve for x
    x = 153,504,876,231,707,104/648,978,071.26
  6. Step 6: Final answer
    x = 236,533,225.13

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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.