Home / 1,131,669,698.40-1,697,504,547.60-1,078,100,445.60

Finding the Fourth Proportional to 1,131,669,698.40, 1,697,504,547.60 and 1,078,100,445.60

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Solution

The fourth proportional to 1,131,669,698.40, 1,697,504,547.60 and 1,078,100,445.60 is: 1,617,150,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,669,698.40 : 1,697,504,547.60 = 1,078,100,445.60 : x
  2. Step 2: Convert to fraction form
    1,131,669,698.40/1,697,504,547.60 = 1,078,100,445.60/x
  3. Step 3: Cross multiply
    1,131,669,698.40x = 1,697,504,547.60 × 1,078,100,445.60
  4. Step 4: Simplify right side
    1,131,669,698.40x = 1,830,080,409,175,586,048
  5. Step 5: Solve for x
    x = 1,830,080,409,175,586,048/1,131,669,698.40
  6. Step 6: Final answer
    x = 1,617,150,668.40

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Double scale
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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.