Home / 1,173,080,170.48-1,618,670,678.88-677,947,258.48

Finding the Fourth Proportional to 1,173,080,170.48, 1,618,670,678.88 and 677,947,258.48

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Solution

The fourth proportional to 1,173,080,170.48, 1,618,670,678.88 and 677,947,258.48 is: 935,463,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,080,170.48 : 1,618,670,678.88 = 677,947,258.48 : x
  2. Step 2: Convert to fraction form
    1,173,080,170.48/1,618,670,678.88 = 677,947,258.48/x
  3. Step 3: Cross multiply
    1,173,080,170.48x = 1,618,670,678.88 × 677,947,258.48
  4. Step 4: Simplify right side
    1,173,080,170.48x = 1,097,373,349,128,656,512
  5. Step 5: Solve for x
    x = 1,097,373,349,128,656,512/1,173,080,170.48
  6. Step 6: Final answer
    x = 935,463,216.19

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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.