Home / 313,670,514.30-470,505,771.45-109,130,610.30

Finding the Fourth Proportional to 313,670,514.30, 470,505,771.45 and 109,130,610.30

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Solution

The fourth proportional to 313,670,514.30, 470,505,771.45 and 109,130,610.30 is: 163,695,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,670,514.30 : 470,505,771.45 = 109,130,610.30 : x
  2. Step 2: Convert to fraction form
    313,670,514.30/470,505,771.45 = 109,130,610.30/x
  3. Step 3: Cross multiply
    313,670,514.30x = 470,505,771.45 × 109,130,610.30
  4. Step 4: Simplify right side
    313,670,514.30x = 51,346,581,988,010,816
  5. Step 5: Solve for x
    x = 51,346,581,988,010,816/313,670,514.30
  6. Step 6: Final answer
    x = 163,695,915.45

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Double scale
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Similar ratio
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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.