Home / 13,115,315,422.34-19,668,370,022.68-3,669,420,975.72

Finding the Fourth Proportional to 13,115,315,422.34, 19,668,370,022.68 and 3,669,420,975.72

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Solution

The fourth proportional to 13,115,315,422.34, 19,668,370,022.68 and 3,669,420,975.72 is: 5,502,843,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,315,422.34 : 19,668,370,022.68 = 3,669,420,975.72 : x
  2. Step 2: Convert to fraction form
    13,115,315,422.34/19,668,370,022.68 = 3,669,420,975.72/x
  3. Step 3: Cross multiply
    13,115,315,422.34x = 19,668,370,022.68 × 3,669,420,975.72
  4. Step 4: Simplify right side
    13,115,315,422.34x = 72,171,529,519,444,443,136
  5. Step 5: Solve for x
    x = 72,171,529,519,444,443,136/13,115,315,422.34
  6. Step 6: Final answer
    x = 5,502,843,598.91

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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.