Home / 18,864,578,656.80-28,296,867,985.20-14,511,013,984.80

Finding the Fourth Proportional to 18,864,578,656.80, 28,296,867,985.20 and 14,511,013,984.80

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Solution

The fourth proportional to 18,864,578,656.80, 28,296,867,985.20 and 14,511,013,984.80 is: 21,766,520,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,578,656.80 : 28,296,867,985.20 = 14,511,013,984.80 : x
  2. Step 2: Convert to fraction form
    18,864,578,656.80/28,296,867,985.20 = 14,511,013,984.80/x
  3. Step 3: Cross multiply
    18,864,578,656.80x = 28,296,867,985.20 × 14,511,013,984.80
  4. Step 4: Simplify right side
    18,864,578,656.80x = 410,616,247,059,276,562,432
  5. Step 5: Solve for x
    x = 410,616,247,059,276,562,432/18,864,578,656.80
  6. Step 6: Final answer
    x = 21,766,520,977.20

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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.