Home / 719,400,669,534.24-992,774,089,084.32-394,188,288,452.16

Finding the Fourth Proportional to 719,400,669,534.24, 992,774,089,084.32 and 394,188,288,452.16

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Solution

The fourth proportional to 719,400,669,534.24, 992,774,089,084.32 and 394,188,288,452.16 is: 543,980,476,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,400,669,534.24 : 992,774,089,084.32 = 394,188,288,452.16 : x
  2. Step 2: Convert to fraction form
    719,400,669,534.24/992,774,089,084.32 = 394,188,288,452.16/x
  3. Step 3: Cross multiply
    719,400,669,534.24x = 992,774,089,084.32 × 394,188,288,452.16
  4. Step 4: Simplify right side
    719,400,669,534.24x = 391,339,918,995,800,253,792,256
  5. Step 5: Solve for x
    x = 391,339,918,995,800,253,792,256/719,400,669,534.24
  6. Step 6: Final answer
    x = 543,980,476,483.52

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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.