Home / 2,620,404,794.20-3,930,607,191.30-1,242,909,722.20

Finding the Fourth Proportional to 2,620,404,794.20, 3,930,607,191.30 and 1,242,909,722.20

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Solution

The fourth proportional to 2,620,404,794.20, 3,930,607,191.30 and 1,242,909,722.20 is: 1,864,364,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,404,794.20 : 3,930,607,191.30 = 1,242,909,722.20 : x
  2. Step 2: Convert to fraction form
    2,620,404,794.20/3,930,607,191.30 = 1,242,909,722.20/x
  3. Step 3: Cross multiply
    2,620,404,794.20x = 3,930,607,191.30 × 1,242,909,722.20
  4. Step 4: Simplify right side
    2,620,404,794.20x = 4,885,389,892,216,005,632
  5. Step 5: Solve for x
    x = 4,885,389,892,216,005,632/2,620,404,794.20
  6. Step 6: Final answer
    x = 1,864,364,583.30

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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.