Home / 727,112,109.70-1,090,985,091.61-254,750,021.71

Finding the Fourth Proportional to 727,112,109.70, 1,090,985,091.61 and 254,750,021.71

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Solution

The fourth proportional to 727,112,109.70, 1,090,985,091.61 and 254,750,021.71 is: 382,236,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,112,109.70 : 1,090,985,091.61 = 254,750,021.71 : x
  2. Step 2: Convert to fraction form
    727,112,109.70/1,090,985,091.61 = 254,750,021.71/x
  3. Step 3: Cross multiply
    727,112,109.70x = 1,090,985,091.61 × 254,750,021.71
  4. Step 4: Simplify right side
    727,112,109.70x = 277,928,475,772,933,824
  5. Step 5: Solve for x
    x = 277,928,475,772,933,824/727,112,109.70
  6. Step 6: Final answer
    x = 382,236,070.70

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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.