Home / 1,278,099,205,751.90-1,763,777,854,856.70-692,153,599,821.25

Finding the Fourth Proportional to 1,278,099,205,751.90, 1,763,777,854,856.70 and 692,153,599,821.25

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Solution

The fourth proportional to 1,278,099,205,751.90, 1,763,777,854,856.70 and 692,153,599,821.25 is: 955,172,482,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,099,205,751.90 : 1,763,777,854,856.70 = 692,153,599,821.25 : x
  2. Step 2: Convert to fraction form
    1,278,099,205,751.90/1,763,777,854,856.70 = 692,153,599,821.25/x
  3. Step 3: Cross multiply
    1,278,099,205,751.90x = 1,763,777,854,856.70 × 692,153,599,821.25
  4. Step 4: Simplify right side
    1,278,099,205,751.90x = 1,220,805,191,524,067,076,734,976
  5. Step 5: Solve for x
    x = 1,220,805,191,524,067,076,734,976/1,278,099,205,751.90
  6. Step 6: Final answer
    x = 955,172,482,722.79

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Double scale
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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.