Home / 405,347,333.37-608,075,376.01-142,970,206.17

Finding the Fourth Proportional to 405,347,333.37, 608,075,376.01 and 142,970,206.17

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Solution

The fourth proportional to 405,347,333.37, 608,075,376.01 and 142,970,206.17 is: 214,474,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,347,333.37 : 608,075,376.01 = 142,970,206.17 : x
  2. Step 2: Convert to fraction form
    405,347,333.37/608,075,376.01 = 142,970,206.17/x
  3. Step 3: Cross multiply
    405,347,333.37x = 608,075,376.01 × 142,970,206.17
  4. Step 4: Simplify right side
    405,347,333.37x = 86,936,661,876,972,848
  5. Step 5: Solve for x
    x = 86,936,661,876,972,848/405,347,333.37
  6. Step 6: Final answer
    x = 214,474,488.22

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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.