Home / 286,773,024,540.90-395,736,399,136.38-158,311,714,807.02

Finding the Fourth Proportional to 286,773,024,540.90, 395,736,399,136.38 and 158,311,714,807.02

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Solution

The fourth proportional to 286,773,024,540.90, 395,736,399,136.38 and 158,311,714,807.02 is: 218,464,439,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,773,024,540.90 : 395,736,399,136.38 = 158,311,714,807.02 : x
  2. Step 2: Convert to fraction form
    286,773,024,540.90/395,736,399,136.38 = 158,311,714,807.02/x
  3. Step 3: Cross multiply
    286,773,024,540.90x = 395,736,399,136.38 × 158,311,714,807.02
  4. Step 4: Simplify right side
    286,773,024,540.90x = 62,649,707,958,835,620,085,760
  5. Step 5: Solve for x
    x = 62,649,707,958,835,620,085,760/286,773,024,540.90
  6. Step 6: Final answer
    x = 218,464,439,112.20

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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.