Home / 674,123,173.26-1,011,184,759.89-189,448,981.26

Finding the Fourth Proportional to 674,123,173.26, 1,011,184,759.89 and 189,448,981.26

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Solution

The fourth proportional to 674,123,173.26, 1,011,184,759.89 and 189,448,981.26 is: 284,173,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,123,173.26 : 1,011,184,759.89 = 189,448,981.26 : x
  2. Step 2: Convert to fraction form
    674,123,173.26/1,011,184,759.89 = 189,448,981.26/x
  3. Step 3: Cross multiply
    674,123,173.26x = 1,011,184,759.89 × 189,448,981.26
  4. Step 4: Simplify right side
    674,123,173.26x = 191,567,922,626,798,208
  5. Step 5: Solve for x
    x = 191,567,922,626,798,208/674,123,173.26
  6. Step 6: Final answer
    x = 284,173,471.89

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.