Home / 362,576,538.40-543,864,807.60-313,258,813.60

Finding the Fourth Proportional to 362,576,538.40, 543,864,807.60 and 313,258,813.60

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Solution

The fourth proportional to 362,576,538.40, 543,864,807.60 and 313,258,813.60 is: 469,888,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,576,538.40 : 543,864,807.60 = 313,258,813.60 : x
  2. Step 2: Convert to fraction form
    362,576,538.40/543,864,807.60 = 313,258,813.60/x
  3. Step 3: Cross multiply
    362,576,538.40x = 543,864,807.60 × 313,258,813.60
  4. Step 4: Simplify right side
    362,576,538.40x = 170,370,444,387,568,288
  5. Step 5: Solve for x
    x = 170,370,444,387,568,288/362,576,538.40
  6. Step 6: Final answer
    x = 469,888,220.40

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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.