Home / 414,152,453,747.66-620,679,504,976.06-212,686,050,139.32

Finding the Fourth Proportional to 414,152,453,747.66, 620,679,504,976.06 and 212,686,050,139.32

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Solution

The fourth proportional to 414,152,453,747.66, 620,679,504,976.06 and 212,686,050,139.32 is: 318,747,048,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,152,453,747.66 : 620,679,504,976.06 = 212,686,050,139.32 : x
  2. Step 2: Convert to fraction form
    414,152,453,747.66/620,679,504,976.06 = 212,686,050,139.32/x
  3. Step 3: Cross multiply
    414,152,453,747.66x = 620,679,504,976.06 × 212,686,050,139.32
  4. Step 4: Simplify right side
    414,152,453,747.66x = 132,009,872,315,786,628,956,160
  5. Step 5: Solve for x
    x = 132,009,872,315,786,628,956,160/414,152,453,747.66
  6. Step 6: Final answer
    x = 318,747,048,632.05

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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.