Home / 12,613,884,958.80-18,922,122,796.68-4,759,907,075.28

Finding the Fourth Proportional to 12,613,884,958.80, 18,922,122,796.68 and 4,759,907,075.28

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Solution

The fourth proportional to 12,613,884,958.80, 18,922,122,796.68 and 4,759,907,075.28 is: 7,140,349,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,884,958.80 : 18,922,122,796.68 = 4,759,907,075.28 : x
  2. Step 2: Convert to fraction form
    12,613,884,958.80/18,922,122,796.68 = 4,759,907,075.28/x
  3. Step 3: Cross multiply
    12,613,884,958.80x = 18,922,122,796.68 × 4,759,907,075.28
  4. Step 4: Simplify right side
    12,613,884,958.80x = 90,067,546,179,234,103,296
  5. Step 5: Solve for x
    x = 90,067,546,179,234,103,296/12,613,884,958.80
  6. Step 6: Final answer
    x = 7,140,349,422.36

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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.