Home / 405,671,246,511.90-608,526,440,424.60-133,389,467,288.57

Finding the Fourth Proportional to 405,671,246,511.90, 608,526,440,424.60 and 133,389,467,288.57

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Solution

The fourth proportional to 405,671,246,511.90, 608,526,440,424.60 and 133,389,467,288.57 is: 200,090,635,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,671,246,511.90 : 608,526,440,424.60 = 133,389,467,288.57 : x
  2. Step 2: Convert to fraction form
    405,671,246,511.90/608,526,440,424.60 = 133,389,467,288.57/x
  3. Step 3: Cross multiply
    405,671,246,511.90x = 608,526,440,424.60 × 133,389,467,288.57
  4. Step 4: Simplify right side
    405,671,246,511.90x = 81,171,017,719,247,125,086,208
  5. Step 5: Solve for x
    x = 81,171,017,719,247,125,086,208/405,671,246,511.90
  6. Step 6: Final answer
    x = 200,090,635,994.50

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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.