Home / 490,005,224.84-676,198,659.06-266,988,752.51

Finding the Fourth Proportional to 490,005,224.84, 676,198,659.06 and 266,988,752.51

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Solution

The fourth proportional to 490,005,224.84, 676,198,659.06 and 266,988,752.51 is: 368,439,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,005,224.84 : 676,198,659.06 = 266,988,752.51 : x
  2. Step 2: Convert to fraction form
    490,005,224.84/676,198,659.06 = 266,988,752.51/x
  3. Step 3: Cross multiply
    490,005,224.84x = 676,198,659.06 × 266,988,752.51
  4. Step 4: Simplify right side
    490,005,224.84x = 180,537,436,431,364,192
  5. Step 5: Solve for x
    x = 180,537,436,431,364,192/490,005,224.84
  6. Step 6: Final answer
    x = 368,439,819.17

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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.