Home / 911,089,679.40-1,366,634,519.10-601,153,288.20

Finding the Fourth Proportional to 911,089,679.40, 1,366,634,519.10 and 601,153,288.20

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Solution

The fourth proportional to 911,089,679.40, 1,366,634,519.10 and 601,153,288.20 is: 901,729,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,089,679.40 : 1,366,634,519.10 = 601,153,288.20 : x
  2. Step 2: Convert to fraction form
    911,089,679.40/1,366,634,519.10 = 601,153,288.20/x
  3. Step 3: Cross multiply
    911,089,679.40x = 1,366,634,519.10 × 601,153,288.20
  4. Step 4: Simplify right side
    911,089,679.40x = 821,556,834,924,590,720
  5. Step 5: Solve for x
    x = 821,556,834,924,590,720/911,089,679.40
  6. Step 6: Final answer
    x = 901,729,932.30

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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.