Home / 39,938,359,355.28-55,116,668,407.91-22,117,016,861.28

Finding the Fourth Proportional to 39,938,359,355.28, 55,116,668,407.91 and 22,117,016,861.28

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Solution

The fourth proportional to 39,938,359,355.28, 55,116,668,407.91 and 22,117,016,861.28 is: 30,522,442,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938,359,355.28 : 55,116,668,407.91 = 22,117,016,861.28 : x
  2. Step 2: Convert to fraction form
    39,938,359,355.28/55,116,668,407.91 = 22,117,016,861.28/x
  3. Step 3: Cross multiply
    39,938,359,355.28x = 55,116,668,407.91 × 22,117,016,861.28
  4. Step 4: Simplify right side
    39,938,359,355.28x = 1,219,016,284,515,213,508,608
  5. Step 5: Solve for x
    x = 1,219,016,284,515,213,508,608/39,938,359,355.28
  6. Step 6: Final answer
    x = 30,522,442,689.02

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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.