Home / 18,739,510,010.57-28,108,275,024.19-6,146,709,687.89

Finding the Fourth Proportional to 18,739,510,010.57, 28,108,275,024.19 and 6,146,709,687.89

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Solution

The fourth proportional to 18,739,510,010.57, 28,108,275,024.19 and 6,146,709,687.89 is: 9,219,739,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,510,010.57 : 28,108,275,024.19 = 6,146,709,687.89 : x
  2. Step 2: Convert to fraction form
    18,739,510,010.57/28,108,275,024.19 = 6,146,709,687.89/x
  3. Step 3: Cross multiply
    18,739,510,010.57x = 28,108,275,024.19 × 6,146,709,687.89
  4. Step 4: Simplify right side
    18,739,510,010.57x = 172,773,406,401,000,734,720
  5. Step 5: Solve for x
    x = 172,773,406,401,000,734,720/18,739,510,010.57
  6. Step 6: Final answer
    x = 9,219,739,806.62

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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.