Home / 558,400,680.97-770,568,082.61-320,075,009.53

Finding the Fourth Proportional to 558,400,680.97, 770,568,082.61 and 320,075,009.53

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Solution

The fourth proportional to 558,400,680.97, 770,568,082.61 and 320,075,009.53 is: 441,689,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,400,680.97 : 770,568,082.61 = 320,075,009.53 : x
  2. Step 2: Convert to fraction form
    558,400,680.97/770,568,082.61 = 320,075,009.53/x
  3. Step 3: Cross multiply
    558,400,680.97x = 770,568,082.61 × 320,075,009.53
  4. Step 4: Simplify right side
    558,400,680.97x = 246,639,586,381,382,752
  5. Step 5: Solve for x
    x = 246,639,586,381,382,752/558,400,680.97
  6. Step 6: Final answer
    x = 441,689,265.05

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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.