Home / 916,594,483,249.45-1,264,843,393,739.40-505,039,930,938.45

Finding the Fourth Proportional to 916,594,483,249.45, 1,264,843,393,739.40 and 505,039,930,938.45

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Solution

The fourth proportional to 916,594,483,249.45, 1,264,843,393,739.40 and 505,039,930,938.45 is: 696,923,701,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,594,483,249.45 : 1,264,843,393,739.40 = 505,039,930,938.45 : x
  2. Step 2: Convert to fraction form
    916,594,483,249.45/1,264,843,393,739.40 = 505,039,930,938.45/x
  3. Step 3: Cross multiply
    916,594,483,249.45x = 1,264,843,393,739.40 × 505,039,930,938.45
  4. Step 4: Simplify right side
    916,594,483,249.45x = 638,796,420,222,101,292,580,864
  5. Step 5: Solve for x
    x = 638,796,420,222,101,292,580,864/916,594,483,249.45
  6. Step 6: Final answer
    x = 696,923,701,697.92

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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.