Home / 1,580,550,122-2,181,159,168.36-885,189,098

Finding the Fourth Proportional to 1,580,550,122, 2,181,159,168.36 and 885,189,098

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Solution

The fourth proportional to 1,580,550,122, 2,181,159,168.36 and 885,189,098 is: 1,221,560,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,550,122 : 2,181,159,168.36 = 885,189,098 : x
  2. Step 2: Convert to fraction form
    1,580,550,122/2,181,159,168.36 = 885,189,098/x
  3. Step 3: Cross multiply
    1,580,550,122x = 2,181,159,168.36 × 885,189,098
  4. Step 4: Simplify right side
    1,580,550,122x = 1,930,738,316,835,018,752
  5. Step 5: Solve for x
    x = 1,930,738,316,835,018,752/1,580,550,122
  6. Step 6: Final answer
    x = 1,221,560,955.24

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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.