Home / 789,606,802.56-1,089,691,432.74-437,182,782.24

Finding the Fourth Proportional to 789,606,802.56, 1,089,691,432.74 and 437,182,782.24

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Solution

The fourth proportional to 789,606,802.56, 1,089,691,432.74 and 437,182,782.24 is: 603,331,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,606,802.56 : 1,089,691,432.74 = 437,182,782.24 : x
  2. Step 2: Convert to fraction form
    789,606,802.56/1,089,691,432.74 = 437,182,782.24/x
  3. Step 3: Cross multiply
    789,606,802.56x = 1,089,691,432.74 × 437,182,782.24
  4. Step 4: Simplify right side
    789,606,802.56x = 476,394,332,348,365,056
  5. Step 5: Solve for x
    x = 476,394,332,348,365,056/789,606,802.56
  6. Step 6: Final answer
    x = 603,331,089.35

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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.