Home / 680,713,629.03-1,021,367,440.61-238,373,790.26

Finding the Fourth Proportional to 680,713,629.03, 1,021,367,440.61 and 238,373,790.26

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Solution

The fourth proportional to 680,713,629.03, 1,021,367,440.61 and 238,373,790.26 is: 357,664,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,713,629.03 : 1,021,367,440.61 = 238,373,790.26 : x
  2. Step 2: Convert to fraction form
    680,713,629.03/1,021,367,440.61 = 238,373,790.26/x
  3. Step 3: Cross multiply
    680,713,629.03x = 1,021,367,440.61 × 238,373,790.26
  4. Step 4: Simplify right side
    680,713,629.03x = 243,467,228,069,510,464
  5. Step 5: Solve for x
    x = 243,467,228,069,510,464/680,713,629.03
  6. Step 6: Final answer
    x = 357,664,688.48

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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.