Home / 12,135,995,896.40-18,205,206,317.40-3,292,975,120.40

Finding the Fourth Proportional to 12,135,995,896.40, 18,205,206,317.40 and 3,292,975,120.40

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Solution

The fourth proportional to 12,135,995,896.40, 18,205,206,317.40 and 3,292,975,120.40 is: 4,939,791,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,995,896.40 : 18,205,206,317.40 = 3,292,975,120.40 : x
  2. Step 2: Convert to fraction form
    12,135,995,896.40/18,205,206,317.40 = 3,292,975,120.40/x
  3. Step 3: Cross multiply
    12,135,995,896.40x = 18,205,206,317.40 × 3,292,975,120.40
  4. Step 4: Simplify right side
    12,135,995,896.40x = 59,949,291,464,947,113,984
  5. Step 5: Solve for x
    x = 59,949,291,464,947,113,984/12,135,995,896.40
  6. Step 6: Final answer
    x = 4,939,791,672.37

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1.5x scale

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.