Home / 789,606,537.60-1,089,691,068.48-437,182,517.76

Finding the Fourth Proportional to 789,606,537.60, 1,089,691,068.48 and 437,182,517.76

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Solution

The fourth proportional to 789,606,537.60, 1,089,691,068.48 and 437,182,517.76 is: 603,330,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,606,537.60 : 1,089,691,068.48 = 437,182,517.76 : x
  2. Step 2: Convert to fraction form
    789,606,537.60/1,089,691,068.48 = 437,182,517.76/x
  3. Step 3: Cross multiply
    789,606,537.60x = 1,089,691,068.48 × 437,182,517.76
  4. Step 4: Simplify right side
    789,606,537.60x = 476,393,884,898,670,976
  5. Step 5: Solve for x
    x = 476,393,884,898,670,976/789,606,537.60
  6. Step 6: Final answer
    x = 603,330,725.13

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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.