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Finding the Fourth Proportional to 702,086,483.22, 968,412,825.81 and 451,507,682.58

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Solution

The fourth proportional to 702,086,483.22, 968,412,825.81 and 451,507,682.58 is: 622,780,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,086,483.22 : 968,412,825.81 = 451,507,682.58 : x
  2. Step 2: Convert to fraction form
    702,086,483.22/968,412,825.81 = 451,507,682.58/x
  3. Step 3: Cross multiply
    702,086,483.22x = 968,412,825.81 × 451,507,682.58
  4. Step 4: Simplify right side
    702,086,483.22x = 437,245,830,762,222,272
  5. Step 5: Solve for x
    x = 437,245,830,762,222,272/702,086,483.22
  6. Step 6: Final answer
    x = 622,780,585.03

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1.5x scale

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.