Home / 218,040,985,514.40-327,061,478,271.60-134,289,285,136.80

Finding the Fourth Proportional to 218,040,985,514.40, 327,061,478,271.60 and 134,289,285,136.80

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Solution

The fourth proportional to 218,040,985,514.40, 327,061,478,271.60 and 134,289,285,136.80 is: 201,433,927,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,040,985,514.40 : 327,061,478,271.60 = 134,289,285,136.80 : x
  2. Step 2: Convert to fraction form
    218,040,985,514.40/327,061,478,271.60 = 134,289,285,136.80/x
  3. Step 3: Cross multiply
    218,040,985,514.40x = 327,061,478,271.60 × 134,289,285,136.80
  4. Step 4: Simplify right side
    218,040,985,514.40x = 43,920,852,112,878,210,121,728
  5. Step 5: Solve for x
    x = 43,920,852,112,878,210,121,728/218,040,985,514.40
  6. Step 6: Final answer
    x = 201,433,927,705.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.