Home / 1,256,197,531.70-1,884,500,816.86-370,972,431.56

Finding the Fourth Proportional to 1,256,197,531.70, 1,884,500,816.86 and 370,972,431.56

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Solution

The fourth proportional to 1,256,197,531.70, 1,884,500,816.86 and 370,972,431.56 is: 556,519,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,197,531.70 : 1,884,500,816.86 = 370,972,431.56 : x
  2. Step 2: Convert to fraction form
    1,256,197,531.70/1,884,500,816.86 = 370,972,431.56/x
  3. Step 3: Cross multiply
    1,256,197,531.70x = 1,884,500,816.86 × 370,972,431.56
  4. Step 4: Simplify right side
    1,256,197,531.70x = 699,097,850,307,360,384
  5. Step 5: Solve for x
    x = 699,097,850,307,360,384/1,256,197,531.70
  6. Step 6: Final answer
    x = 556,519,044.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.