Home / 1,152,338,091.84-1,728,584,042.40-405,264,231.36

Finding the Fourth Proportional to 1,152,338,091.84, 1,728,584,042.40 and 405,264,231.36

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Solution

The fourth proportional to 1,152,338,091.84, 1,728,584,042.40 and 405,264,231.36 is: 607,923,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,338,091.84 : 1,728,584,042.40 = 405,264,231.36 : x
  2. Step 2: Convert to fraction form
    1,152,338,091.84/1,728,584,042.40 = 405,264,231.36/x
  3. Step 3: Cross multiply
    1,152,338,091.84x = 1,728,584,042.40 × 405,264,231.36
  4. Step 4: Simplify right side
    1,152,338,091.84x = 700,533,283,284,397,696
  5. Step 5: Solve for x
    x = 700,533,283,284,397,696/1,152,338,091.84
  6. Step 6: Final answer
    x = 607,923,393.53

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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.