Home / 1,173,080,171.48-1,618,670,680.26-677,947,259.48

Finding the Fourth Proportional to 1,173,080,171.48, 1,618,670,680.26 and 677,947,259.48

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Solution

The fourth proportional to 1,173,080,171.48, 1,618,670,680.26 and 677,947,259.48 is: 935,463,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,080,171.48 : 1,618,670,680.26 = 677,947,259.48 : x
  2. Step 2: Convert to fraction form
    1,173,080,171.48/1,618,670,680.26 = 677,947,259.48/x
  3. Step 3: Cross multiply
    1,173,080,171.48x = 1,618,670,680.26 × 677,947,259.48
  4. Step 4: Simplify right side
    1,173,080,171.48x = 1,097,373,351,682,894,336
  5. Step 5: Solve for x
    x = 1,097,373,351,682,894,336/1,173,080,171.48
  6. Step 6: Final answer
    x = 935,463,217.57

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Double scale
Find fourth proportional to 1,173,080,172.48, 1,618,670,681.64 and 677,947,260.48
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.