Home / 3,919,968,709.20-5,409,679,295.88-2,249,523,412.56

Finding the Fourth Proportional to 3,919,968,709.20, 5,409,679,295.88 and 2,249,523,412.56

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Solution

The fourth proportional to 3,919,968,709.20, 5,409,679,295.88 and 2,249,523,412.56 is: 3,104,412,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,968,709.20 : 5,409,679,295.88 = 2,249,523,412.56 : x
  2. Step 2: Convert to fraction form
    3,919,968,709.20/5,409,679,295.88 = 2,249,523,412.56/x
  3. Step 3: Cross multiply
    3,919,968,709.20x = 5,409,679,295.88 × 2,249,523,412.56
  4. Step 4: Simplify right side
    3,919,968,709.20x = 12,169,200,230,523,156,480
  5. Step 5: Solve for x
    x = 12,169,200,230,523,156,480/3,919,968,709.20
  6. Step 6: Final answer
    x = 3,104,412,594.41

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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.