Home / 405,627,697.33-608,440,599.81-266,446,697.38

Finding the Fourth Proportional to 405,627,697.33, 608,440,599.81 and 266,446,697.38

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Solution

The fourth proportional to 405,627,697.33, 608,440,599.81 and 266,446,697.38 is: 399,669,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,627,697.33 : 608,440,599.81 = 266,446,697.38 : x
  2. Step 2: Convert to fraction form
    405,627,697.33/608,440,599.81 = 266,446,697.38/x
  3. Step 3: Cross multiply
    405,627,697.33x = 608,440,599.81 × 266,446,697.38
  4. Step 4: Simplify right side
    405,627,697.33x = 162,116,988,369,759,648
  5. Step 5: Solve for x
    x = 162,116,988,369,759,648/405,627,697.33
  6. Step 6: Final answer
    x = 399,669,424.54

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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.