Home / 1,640,391,910.80-2,263,740,767.28-887,705,109.61

Finding the Fourth Proportional to 1,640,391,910.80, 2,263,740,767.28 and 887,705,109.61

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Solution

The fourth proportional to 1,640,391,910.80, 2,263,740,767.28 and 887,705,109.61 is: 1,225,033,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,391,910.80 : 2,263,740,767.28 = 887,705,109.61 : x
  2. Step 2: Convert to fraction form
    1,640,391,910.80/2,263,740,767.28 = 887,705,109.61/x
  3. Step 3: Cross multiply
    1,640,391,910.80x = 2,263,740,767.28 × 887,705,109.61
  4. Step 4: Simplify right side
    1,640,391,910.80x = 2,009,534,245,946,918,144
  5. Step 5: Solve for x
    x = 2,009,534,245,946,918,144/1,640,391,910.80
  6. Step 6: Final answer
    x = 1,225,033,013.58

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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.