Home / 849,335,664.56-1,274,075,803.51-259,258,443.53

Finding the Fourth Proportional to 849,335,664.56, 1,274,075,803.51 and 259,258,443.53

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Solution

The fourth proportional to 849,335,664.56, 1,274,075,803.51 and 259,258,443.53 is: 388,909,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,335,664.56 : 1,274,075,803.51 = 259,258,443.53 : x
  2. Step 2: Convert to fraction form
    849,335,664.56/1,274,075,803.51 = 259,258,443.53/x
  3. Step 3: Cross multiply
    849,335,664.56x = 1,274,075,803.51 × 259,258,443.53
  4. Step 4: Simplify right side
    849,335,664.56x = 330,314,909,750,218,176
  5. Step 5: Solve for x
    x = 330,314,909,750,218,176/849,335,664.56
  6. Step 6: Final answer
    x = 388,909,736.79

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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.