Home / 12,887,075,993.37-17,785,713,086.53-7,806,290,851.26

Finding the Fourth Proportional to 12,887,075,993.37, 17,785,713,086.53 and 7,806,290,851.26

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Solution

The fourth proportional to 12,887,075,993.37, 17,785,713,086.53 and 7,806,290,851.26 is: 10,773,619,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,075,993.37 : 17,785,713,086.53 = 7,806,290,851.26 : x
  2. Step 2: Convert to fraction form
    12,887,075,993.37/17,785,713,086.53 = 7,806,290,851.26/x
  3. Step 3: Cross multiply
    12,887,075,993.37x = 17,785,713,086.53 × 7,806,290,851.26
  4. Step 4: Simplify right side
    12,887,075,993.37x = 138,840,449,350,569,918,464
  5. Step 5: Solve for x
    x = 138,840,449,350,569,918,464/12,887,075,993.37
  6. Step 6: Final answer
    x = 10,773,619,199.73

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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.