Home / 259,718,250,259.53-358,411,177,591.83-143,974,716,601.38

Finding the Fourth Proportional to 259,718,250,259.53, 358,411,177,591.83 and 143,974,716,601.38

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Solution

The fourth proportional to 259,718,250,259.53, 358,411,177,591.83 and 143,974,716,601.38 is: 198,685,104,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,718,250,259.53 : 358,411,177,591.83 = 143,974,716,601.38 : x
  2. Step 2: Convert to fraction form
    259,718,250,259.53/358,411,177,591.83 = 143,974,716,601.38/x
  3. Step 3: Cross multiply
    259,718,250,259.53x = 358,411,177,591.83 × 143,974,716,601.38
  4. Step 4: Simplify right side
    259,718,250,259.53x = 51,602,147,720,550,607,224,832
  5. Step 5: Solve for x
    x = 51,602,147,720,550,607,224,832/259,718,250,259.53
  6. Step 6: Final answer
    x = 198,685,104,604.65

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1.5x scale

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.