Home / 11,763,059,638.40-17,620,402,987.20-8,086,716,137.60

Finding the Fourth Proportional to 11,763,059,638.40, 17,620,402,987.20 and 8,086,716,137.60

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Solution

The fourth proportional to 11,763,059,638.40, 17,620,402,987.20 and 8,086,716,137.60 is: 12,113,446,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763,059,638.40 : 17,620,402,987.20 = 8,086,716,137.60 : x
  2. Step 2: Convert to fraction form
    11,763,059,638.40/17,620,402,987.20 = 8,086,716,137.60/x
  3. Step 3: Cross multiply
    11,763,059,638.40x = 17,620,402,987.20 × 8,086,716,137.60
  4. Step 4: Simplify right side
    11,763,059,638.40x = 142,491,197,187,605,495,808
  5. Step 5: Solve for x
    x = 142,491,197,187,605,495,808/11,763,059,638.40
  6. Step 6: Final answer
    x = 12,113,446,804.47

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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.