Home / 2,103,537,985.38-2,902,885,245.72-1,151,008,214.58

Finding the Fourth Proportional to 2,103,537,985.38, 2,902,885,245.72 and 1,151,008,214.58

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Solution

The fourth proportional to 2,103,537,985.38, 2,902,885,245.72 and 1,151,008,214.58 is: 1,588,392,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,537,985.38 : 2,902,885,245.72 = 1,151,008,214.58 : x
  2. Step 2: Convert to fraction form
    2,103,537,985.38/2,902,885,245.72 = 1,151,008,214.58/x
  3. Step 3: Cross multiply
    2,103,537,985.38x = 2,902,885,245.72 × 1,151,008,214.58
  4. Step 4: Simplify right side
    2,103,537,985.38x = 3,341,244,763,806,801,408
  5. Step 5: Solve for x
    x = 3,341,244,763,806,801,408/2,103,537,985.38
  6. Step 6: Final answer
    x = 1,588,392,882.39

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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.