Home / 609,474,307.95-841,078,849.64-331,015,831.48

Finding the Fourth Proportional to 609,474,307.95, 841,078,849.64 and 331,015,831.48

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Solution

The fourth proportional to 609,474,307.95, 841,078,849.64 and 331,015,831.48 is: 456,804,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,474,307.95 : 841,078,849.64 = 331,015,831.48 : x
  2. Step 2: Convert to fraction form
    609,474,307.95/841,078,849.64 = 331,015,831.48/x
  3. Step 3: Cross multiply
    609,474,307.95x = 841,078,849.64 × 331,015,831.48
  4. Step 4: Simplify right side
    609,474,307.95x = 278,410,414,752,241,152
  5. Step 5: Solve for x
    x = 278,410,414,752,241,152/609,474,307.95
  6. Step 6: Final answer
    x = 456,804,185.38

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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.