Home / 362,532,078.81-543,801,931.83-290,208,617.64

Finding the Fourth Proportional to 362,532,078.81, 543,801,931.83 and 290,208,617.64

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Solution

The fourth proportional to 362,532,078.81, 543,801,931.83 and 290,208,617.64 is: 435,315,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,532,078.81 : 543,801,931.83 = 290,208,617.64 : x
  2. Step 2: Convert to fraction form
    362,532,078.81/543,801,931.83 = 290,208,617.64/x
  3. Step 3: Cross multiply
    362,532,078.81x = 543,801,931.83 × 290,208,617.64
  4. Step 4: Simplify right side
    362,532,078.81x = 157,816,006,906,345,824
  5. Step 5: Solve for x
    x = 157,816,006,906,345,824/362,532,078.81
  6. Step 6: Final answer
    x = 435,315,979.28

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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.