Home / 13,494,112,617.66-18,621,641,975.49-7,472,498,726.22

Finding the Fourth Proportional to 13,494,112,617.66, 18,621,641,975.49 and 7,472,498,726.22

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Solution

The fourth proportional to 13,494,112,617.66, 18,621,641,975.49 and 7,472,498,726.22 is: 10,311,918,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,112,617.66 : 18,621,641,975.49 = 7,472,498,726.22 : x
  2. Step 2: Convert to fraction form
    13,494,112,617.66/18,621,641,975.49 = 7,472,498,726.22/x
  3. Step 3: Cross multiply
    13,494,112,617.66x = 18,621,641,975.49 × 7,472,498,726.22
  4. Step 4: Simplify right side
    13,494,112,617.66x = 139,150,195,941,973,934,080
  5. Step 5: Solve for x
    x = 139,150,195,941,973,934,080/13,494,112,617.66
  6. Step 6: Final answer
    x = 10,311,918,974.20

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1.5x scale

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.