Home / 2,620,404,808.20-3,930,607,212.30-1,242,909,736.20

Finding the Fourth Proportional to 2,620,404,808.20, 3,930,607,212.30 and 1,242,909,736.20

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Solution

The fourth proportional to 2,620,404,808.20, 3,930,607,212.30 and 1,242,909,736.20 is: 1,864,364,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,404,808.20 : 3,930,607,212.30 = 1,242,909,736.20 : x
  2. Step 2: Convert to fraction form
    2,620,404,808.20/3,930,607,212.30 = 1,242,909,736.20/x
  3. Step 3: Cross multiply
    2,620,404,808.20x = 3,930,607,212.30 × 1,242,909,736.20
  4. Step 4: Simplify right side
    2,620,404,808.20x = 4,885,389,973,345,610,752
  5. Step 5: Solve for x
    x = 4,885,389,973,345,610,752/2,620,404,808.20
  6. Step 6: Final answer
    x = 1,864,364,604.30

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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.