Home / 919,480,404.08-1,269,605,940.66-740,295,103.88

Finding the Fourth Proportional to 919,480,404.08, 1,269,605,940.66 and 740,295,103.88

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Solution

The fourth proportional to 919,480,404.08, 1,269,605,940.66 and 740,295,103.88 is: 1,022,189,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,480,404.08 : 1,269,605,940.66 = 740,295,103.88 : x
  2. Step 2: Convert to fraction form
    919,480,404.08/1,269,605,940.66 = 740,295,103.88/x
  3. Step 3: Cross multiply
    919,480,404.08x = 1,269,605,940.66 × 740,295,103.88
  4. Step 4: Simplify right side
    919,480,404.08x = 939,883,061,721,211,904
  5. Step 5: Solve for x
    x = 939,883,061,721,211,904/919,480,404.08
  6. Step 6: Final answer
    x = 1,022,189,333.84

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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.