Home / 1,242,202,004.72-1,714,244,326.70-677,685,175.59

Finding the Fourth Proportional to 1,242,202,004.72, 1,714,244,326.70 and 677,685,175.59

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Solution

The fourth proportional to 1,242,202,004.72, 1,714,244,326.70 and 677,685,175.59 is: 935,208,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,202,004.72 : 1,714,244,326.70 = 677,685,175.59 : x
  2. Step 2: Convert to fraction form
    1,242,202,004.72/1,714,244,326.70 = 677,685,175.59/x
  3. Step 3: Cross multiply
    1,242,202,004.72x = 1,714,244,326.70 × 677,685,175.59
  4. Step 4: Simplify right side
    1,242,202,004.72x = 1,161,717,967,546,890,752
  5. Step 5: Solve for x
    x = 1,161,717,967,546,890,752/1,242,202,004.72
  6. Step 6: Final answer
    x = 935,208,575.69

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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.