Home / 18,777,743,999.70-28,166,615,999.55-17,358,804,402.90

Finding the Fourth Proportional to 18,777,743,999.70, 28,166,615,999.55 and 17,358,804,402.90

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Solution

The fourth proportional to 18,777,743,999.70, 28,166,615,999.55 and 17,358,804,402.90 is: 26,038,206,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,743,999.70 : 28,166,615,999.55 = 17,358,804,402.90 : x
  2. Step 2: Convert to fraction form
    18,777,743,999.70/28,166,615,999.55 = 17,358,804,402.90/x
  3. Step 3: Cross multiply
    18,777,743,999.70x = 28,166,615,999.55 × 17,358,804,402.90
  4. Step 4: Simplify right side
    18,777,743,999.70x = 488,938,777,827,782,164,480
  5. Step 5: Solve for x
    x = 488,938,777,827,782,164,480/18,777,743,999.70
  6. Step 6: Final answer
    x = 26,038,206,604.35

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1.5x scale

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.