Home / 39,938,359,355.64-55,116,668,408.42-22,117,016,861.64

Finding the Fourth Proportional to 39,938,359,355.64, 55,116,668,408.42 and 22,117,016,861.64

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Solution

The fourth proportional to 39,938,359,355.64, 55,116,668,408.42 and 22,117,016,861.64 is: 30,522,442,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938,359,355.64 : 55,116,668,408.42 = 22,117,016,861.64 : x
  2. Step 2: Convert to fraction form
    39,938,359,355.64/55,116,668,408.42 = 22,117,016,861.64/x
  3. Step 3: Cross multiply
    39,938,359,355.64x = 55,116,668,408.42 × 22,117,016,861.64
  4. Step 4: Simplify right side
    39,938,359,355.64x = 1,219,016,284,546,445,869,056
  5. Step 5: Solve for x
    x = 1,219,016,284,546,445,869,056/39,938,359,355.64
  6. Step 6: Final answer
    x = 30,522,442,689.53

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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.