Home / 631,625,716.94-871,584,994.57-349,362,082.64

Finding the Fourth Proportional to 631,625,716.94, 871,584,994.57 and 349,362,082.64

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Solution

The fourth proportional to 631,625,716.94, 871,584,994.57 and 349,362,082.64 is: 482,087,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,625,716.94 : 871,584,994.57 = 349,362,082.64 : x
  2. Step 2: Convert to fraction form
    631,625,716.94/871,584,994.57 = 349,362,082.64/x
  3. Step 3: Cross multiply
    631,625,716.94x = 871,584,994.57 × 349,362,082.64
  4. Step 4: Simplify right side
    631,625,716.94x = 304,498,748,902,053,824
  5. Step 5: Solve for x
    x = 304,498,748,902,053,824/631,625,716.94
  6. Step 6: Final answer
    x = 482,087,319.65

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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.