Home / 405,470,998.40-608,207,494.28-114,339,646.98

Finding the Fourth Proportional to 405,470,998.40, 608,207,494.28 and 114,339,646.98

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Solution

The fourth proportional to 405,470,998.40, 608,207,494.28 and 114,339,646.98 is: 171,509,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,470,998.40 : 608,207,494.28 = 114,339,646.98 : x
  2. Step 2: Convert to fraction form
    405,470,998.40/608,207,494.28 = 114,339,646.98/x
  3. Step 3: Cross multiply
    405,470,998.40x = 608,207,494.28 × 114,339,646.98
  4. Step 4: Simplify right side
    405,470,998.40x = 69,542,230,185,993,872
  5. Step 5: Solve for x
    x = 69,542,230,185,993,872/405,470,998.40
  6. Step 6: Final answer
    x = 171,509,751.53

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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.