Home / 414,152,453,746.65-620,679,504,974.55-212,686,050,138.33

Finding the Fourth Proportional to 414,152,453,746.65, 620,679,504,974.55 and 212,686,050,138.33

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Solution

The fourth proportional to 414,152,453,746.65, 620,679,504,974.55 and 212,686,050,138.33 is: 318,747,048,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,152,453,746.65 : 620,679,504,974.55 = 212,686,050,138.33 : x
  2. Step 2: Convert to fraction form
    414,152,453,746.65/620,679,504,974.55 = 212,686,050,138.33/x
  3. Step 3: Cross multiply
    414,152,453,746.65x = 620,679,504,974.55 × 212,686,050,138.33
  4. Step 4: Simplify right side
    414,152,453,746.65x = 132,009,872,314,850,980,397,056
  5. Step 5: Solve for x
    x = 132,009,872,314,850,980,397,056/414,152,453,746.65
  6. Step 6: Final answer
    x = 318,747,048,630.56

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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.