Home / 694,571,946.10-1,041,065,407.59-279,783,352.60

Finding the Fourth Proportional to 694,571,946.10, 1,041,065,407.59 and 279,783,352.60

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Solution

The fourth proportional to 694,571,946.10, 1,041,065,407.59 and 279,783,352.60 is: 419,355,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,571,946.10 : 1,041,065,407.59 = 279,783,352.60 : x
  2. Step 2: Convert to fraction form
    694,571,946.10/1,041,065,407.59 = 279,783,352.60/x
  3. Step 3: Cross multiply
    694,571,946.10x = 1,041,065,407.59 × 279,783,352.60
  4. Step 4: Simplify right side
    694,571,946.10x = 291,272,770,011,415,744
  5. Step 5: Solve for x
    x = 291,272,770,011,415,744/694,571,946.10
  6. Step 6: Final answer
    x = 419,355,794.09

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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.