Home / 911,089,680.40-1,366,634,520.60-601,153,289.20

Finding the Fourth Proportional to 911,089,680.40, 1,366,634,520.60 and 601,153,289.20

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Solution

The fourth proportional to 911,089,680.40, 1,366,634,520.60 and 601,153,289.20 is: 901,729,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,089,680.40 : 1,366,634,520.60 = 601,153,289.20 : x
  2. Step 2: Convert to fraction form
    911,089,680.40/1,366,634,520.60 = 601,153,289.20/x
  3. Step 3: Cross multiply
    911,089,680.40x = 1,366,634,520.60 × 601,153,289.20
  4. Step 4: Simplify right side
    911,089,680.40x = 821,556,837,192,955,136
  5. Step 5: Solve for x
    x = 821,556,837,192,955,136/911,089,680.40
  6. Step 6: Final answer
    x = 901,729,933.80

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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.