Home / 1,112,089,600.20-1,668,134,400.30-853,809,274.20

Finding the Fourth Proportional to 1,112,089,600.20, 1,668,134,400.30 and 853,809,274.20

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Solution

The fourth proportional to 1,112,089,600.20, 1,668,134,400.30 and 853,809,274.20 is: 1,280,713,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,089,600.20 : 1,668,134,400.30 = 853,809,274.20 : x
  2. Step 2: Convert to fraction form
    1,112,089,600.20/1,668,134,400.30 = 853,809,274.20/x
  3. Step 3: Cross multiply
    1,112,089,600.20x = 1,668,134,400.30 × 853,809,274.20
  4. Step 4: Simplify right side
    1,112,089,600.20x = 1,424,268,621,588,195,328
  5. Step 5: Solve for x
    x = 1,424,268,621,588,195,328/1,112,089,600.20
  6. Step 6: Final answer
    x = 1,280,713,911.30

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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.