Home / 329,304,707.84-454,974,279-280,263,332.36

Finding the Fourth Proportional to 329,304,707.84, 454,974,279 and 280,263,332.36

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Solution

The fourth proportional to 329,304,707.84, 454,974,279 and 280,263,332.36 is: 387,217,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,304,707.84 : 454,974,279 = 280,263,332.36 : x
  2. Step 2: Convert to fraction form
    329,304,707.84/454,974,279 = 280,263,332.36/x
  3. Step 3: Cross multiply
    329,304,707.84x = 454,974,279 × 280,263,332.36
  4. Step 4: Simplify right side
    329,304,707.84x = 127,512,607,570,628,368
  5. Step 5: Solve for x
    x = 127,512,607,570,628,368/329,304,707.84
  6. Step 6: Final answer
    x = 387,217,687.86

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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.