Home / 2,021,876,462.88-2,790,135,996.20-1,129,810,519.74

Finding the Fourth Proportional to 2,021,876,462.88, 2,790,135,996.20 and 1,129,810,519.74

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Solution

The fourth proportional to 2,021,876,462.88, 2,790,135,996.20 and 1,129,810,519.74 is: 1,559,108,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,876,462.88 : 2,790,135,996.20 = 1,129,810,519.74 : x
  2. Step 2: Convert to fraction form
    2,021,876,462.88/2,790,135,996.20 = 1,129,810,519.74/x
  3. Step 3: Cross multiply
    2,021,876,462.88x = 2,790,135,996.20 × 1,129,810,519.74
  4. Step 4: Simplify right side
    2,021,876,462.88x = 3,152,325,000,012,004,352
  5. Step 5: Solve for x
    x = 3,152,325,000,012,004,352/2,021,876,462.88
  6. Step 6: Final answer
    x = 1,559,108,609.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.