Home / 1,485,167,153.56-2,049,546,984.59-816,112,371.40

Finding the Fourth Proportional to 1,485,167,153.56, 2,049,546,984.59 and 816,112,371.40

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Solution

The fourth proportional to 1,485,167,153.56, 2,049,546,984.59 and 816,112,371.40 is: 1,126,244,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,167,153.56 : 2,049,546,984.59 = 816,112,371.40 : x
  2. Step 2: Convert to fraction form
    1,485,167,153.56/2,049,546,984.59 = 816,112,371.40/x
  3. Step 3: Cross multiply
    1,485,167,153.56x = 2,049,546,984.59 × 816,112,371.40
  4. Step 4: Simplify right side
    1,485,167,153.56x = 1,672,660,649,886,380,544
  5. Step 5: Solve for x
    x = 1,672,660,649,886,380,544/1,485,167,153.56
  6. Step 6: Final answer
    x = 1,126,244,036.49

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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.