Home / 304,021,046,912.55-419,521,313,999.40-180,400,881,531.39

Finding the Fourth Proportional to 304,021,046,912.55, 419,521,313,999.40 and 180,400,881,531.39

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Solution

The fourth proportional to 304,021,046,912.55, 419,521,313,999.40 and 180,400,881,531.39 is: 248,936,761,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,021,046,912.55 : 419,521,313,999.40 = 180,400,881,531.39 : x
  2. Step 2: Convert to fraction form
    304,021,046,912.55/419,521,313,999.40 = 180,400,881,531.39/x
  3. Step 3: Cross multiply
    304,021,046,912.55x = 419,521,313,999.40 × 180,400,881,531.39
  4. Step 4: Simplify right side
    304,021,046,912.55x = 75,682,014,866,698,829,561,856
  5. Step 5: Solve for x
    x = 75,682,014,866,698,829,561,856/304,021,046,912.55
  6. Step 6: Final answer
    x = 248,936,761,567.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.