Home / 694,571,969.60-1,041,065,442.84-279,783,376.16

Finding the Fourth Proportional to 694,571,969.60, 1,041,065,442.84 and 279,783,376.16

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Solution

The fourth proportional to 694,571,969.60, 1,041,065,442.84 and 279,783,376.16 is: 419,355,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,571,969.60 : 1,041,065,442.84 = 279,783,376.16 : x
  2. Step 2: Convert to fraction form
    694,571,969.60/1,041,065,442.84 = 279,783,376.16/x
  3. Step 3: Cross multiply
    694,571,969.60x = 1,041,065,442.84 × 279,783,376.16
  4. Step 4: Simplify right side
    694,571,969.60x = 291,272,804,401,280,704
  5. Step 5: Solve for x
    x = 291,272,804,401,280,704/694,571,969.60
  6. Step 6: Final answer
    x = 419,355,829.42

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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.