Home / 18,949,436,753.93-28,379,032,681.54-10,964,777,615.03

Finding the Fourth Proportional to 18,949,436,753.93, 28,379,032,681.54 and 10,964,777,615.03

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Solution

The fourth proportional to 18,949,436,753.93, 28,379,032,681.54 and 10,964,777,615.03 is: 16,421,057,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949,436,753.93 : 28,379,032,681.54 = 10,964,777,615.03 : x
  2. Step 2: Convert to fraction form
    18,949,436,753.93/28,379,032,681.54 = 10,964,777,615.03/x
  3. Step 3: Cross multiply
    18,949,436,753.93x = 28,379,032,681.54 × 10,964,777,615.03
  4. Step 4: Simplify right side
    18,949,436,753.93x = 311,169,782,282,680,401,920
  5. Step 5: Solve for x
    x = 311,169,782,282,680,401,920/18,949,436,753.93
  6. Step 6: Final answer
    x = 16,421,057,064.83

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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.