Home / 674,123,172.39-1,011,184,758.58-189,448,980.39

Finding the Fourth Proportional to 674,123,172.39, 1,011,184,758.58 and 189,448,980.39

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Solution

The fourth proportional to 674,123,172.39, 1,011,184,758.58 and 189,448,980.39 is: 284,173,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,123,172.39 : 1,011,184,758.58 = 189,448,980.39 : x
  2. Step 2: Convert to fraction form
    674,123,172.39/1,011,184,758.58 = 189,448,980.39/x
  3. Step 3: Cross multiply
    674,123,172.39x = 1,011,184,758.58 × 189,448,980.39
  4. Step 4: Simplify right side
    674,123,172.39x = 191,567,921,492,886,144
  5. Step 5: Solve for x
    x = 191,567,921,492,886,144/674,123,172.39
  6. Step 6: Final answer
    x = 284,173,470.58

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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.