Home / 405,671,250,439.26-608,526,446,316.80-133,389,471,213.52

Finding the Fourth Proportional to 405,671,250,439.26, 608,526,446,316.80 and 133,389,471,213.52

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Solution

The fourth proportional to 405,671,250,439.26, 608,526,446,316.80 and 133,389,471,213.52 is: 200,090,641,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,671,250,439.26 : 608,526,446,316.80 = 133,389,471,213.52 : x
  2. Step 2: Convert to fraction form
    405,671,250,439.26/608,526,446,316.80 = 133,389,471,213.52/x
  3. Step 3: Cross multiply
    405,671,250,439.26x = 608,526,446,316.80 × 133,389,471,213.52
  4. Step 4: Simplify right side
    405,671,250,439.26x = 81,171,020,893,640,424,685,568
  5. Step 5: Solve for x
    x = 81,171,020,893,640,424,685,568/405,671,250,439.26
  6. Step 6: Final answer
    x = 200,090,641,882.43

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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.