Home / 746,365,138.58-1,030,356,778.13-464,198,532.53

Finding the Fourth Proportional to 746,365,138.58, 1,030,356,778.13 and 464,198,532.53

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Solution

The fourth proportional to 746,365,138.58, 1,030,356,778.13 and 464,198,532.53 is: 640,825,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,365,138.58 : 1,030,356,778.13 = 464,198,532.53 : x
  2. Step 2: Convert to fraction form
    746,365,138.58/1,030,356,778.13 = 464,198,532.53/x
  3. Step 3: Cross multiply
    746,365,138.58x = 1,030,356,778.13 × 464,198,532.53
  4. Step 4: Simplify right side
    746,365,138.58x = 478,290,104,389,066,816
  5. Step 5: Solve for x
    x = 478,290,104,389,066,816/746,365,138.58
  6. Step 6: Final answer
    x = 640,825,890.26

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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.