Home / 742,155,048-1,112,741,240.58-354,037,780.80

Finding the Fourth Proportional to 742,155,048, 1,112,741,240.58 and 354,037,780.80

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Solution

The fourth proportional to 742,155,048, 1,112,741,240.58 and 354,037,780.80 is: 530,822,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,155,048 : 1,112,741,240.58 = 354,037,780.80 : x
  2. Step 2: Convert to fraction form
    742,155,048/1,112,741,240.58 = 354,037,780.80/x
  3. Step 3: Cross multiply
    742,155,048x = 1,112,741,240.58 × 354,037,780.80
  4. Step 4: Simplify right side
    742,155,048x = 393,952,439,419,582,080
  5. Step 5: Solve for x
    x = 393,952,439,419,582,080/742,155,048
  6. Step 6: Final answer
    x = 530,822,286.37

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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.