Home / 938,002,662.40-1,407,003,993.60-454,273,254.40

Finding the Fourth Proportional to 938,002,662.40, 1,407,003,993.60 and 454,273,254.40

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Solution

The fourth proportional to 938,002,662.40, 1,407,003,993.60 and 454,273,254.40 is: 681,409,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,002,662.40 : 1,407,003,993.60 = 454,273,254.40 : x
  2. Step 2: Convert to fraction form
    938,002,662.40/1,407,003,993.60 = 454,273,254.40/x
  3. Step 3: Cross multiply
    938,002,662.40x = 1,407,003,993.60 × 454,273,254.40
  4. Step 4: Simplify right side
    938,002,662.40x = 639,164,283,126,468,736
  5. Step 5: Solve for x
    x = 639,164,283,126,468,736/938,002,662.40
  6. Step 6: Final answer
    x = 681,409,881.60

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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.