Home / 414,152,453,733.90-620,679,504,955.42-212,686,050,125.58

Finding the Fourth Proportional to 414,152,453,733.90, 620,679,504,955.42 and 212,686,050,125.58

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Solution

The fourth proportional to 414,152,453,733.90, 620,679,504,955.42 and 212,686,050,125.58 is: 318,747,048,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,152,453,733.90 : 620,679,504,955.42 = 212,686,050,125.58 : x
  2. Step 2: Convert to fraction form
    414,152,453,733.90/620,679,504,955.42 = 212,686,050,125.58/x
  3. Step 3: Cross multiply
    414,152,453,733.90x = 620,679,504,955.42 × 212,686,050,125.58
  4. Step 4: Simplify right side
    414,152,453,733.90x = 132,009,872,302,868,642,398,208
  5. Step 5: Solve for x
    x = 132,009,872,302,868,642,398,208/414,152,453,733.90
  6. Step 6: Final answer
    x = 318,747,048,611.45

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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.