Home / 2,827,773,786.76-3,902,183,602.69-1,557,587,427.05

Finding the Fourth Proportional to 2,827,773,786.76, 3,902,183,602.69 and 1,557,587,427.05

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Solution

The fourth proportional to 2,827,773,786.76, 3,902,183,602.69 and 1,557,587,427.05 is: 2,149,391,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827,773,786.76 : 3,902,183,602.69 = 1,557,587,427.05 : x
  2. Step 2: Convert to fraction form
    2,827,773,786.76/3,902,183,602.69 = 1,557,587,427.05/x
  3. Step 3: Cross multiply
    2,827,773,786.76x = 3,902,183,602.69 × 1,557,587,427.05
  4. Step 4: Simplify right side
    2,827,773,786.76x = 6,077,992,117,582,828,544
  5. Step 5: Solve for x
    x = 6,077,992,117,582,828,544/2,827,773,786.76
  6. Step 6: Final answer
    x = 2,149,391,208.75

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Double scale
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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.