Home / 1,092,242,845.22-1,507,705,023.78-715,923,684.27

Finding the Fourth Proportional to 1,092,242,845.22, 1,507,705,023.78 and 715,923,684.27

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Solution

The fourth proportional to 1,092,242,845.22, 1,507,705,023.78 and 715,923,684.27 is: 988,243,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,242,845.22 : 1,507,705,023.78 = 715,923,684.27 : x
  2. Step 2: Convert to fraction form
    1,092,242,845.22/1,507,705,023.78 = 715,923,684.27/x
  3. Step 3: Cross multiply
    1,092,242,845.22x = 1,507,705,023.78 × 715,923,684.27
  4. Step 4: Simplify right side
    1,092,242,845.22x = 1,079,401,735,416,965,504
  5. Step 5: Solve for x
    x = 1,079,401,735,416,965,504/1,092,242,845.22
  6. Step 6: Final answer
    x = 988,243,356.45

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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.