Home / 388,475,505.60-582,713,258.40-370,559,601.60

Finding the Fourth Proportional to 388,475,505.60, 582,713,258.40 and 370,559,601.60

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Solution

The fourth proportional to 388,475,505.60, 582,713,258.40 and 370,559,601.60 is: 555,839,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,475,505.60 : 582,713,258.40 = 370,559,601.60 : x
  2. Step 2: Convert to fraction form
    388,475,505.60/582,713,258.40 = 370,559,601.60/x
  3. Step 3: Cross multiply
    388,475,505.60x = 582,713,258.40 × 370,559,601.60
  4. Step 4: Simplify right side
    388,475,505.60x = 215,929,992,879,741,856
  5. Step 5: Solve for x
    x = 215,929,992,879,741,856/388,475,505.60
  6. Step 6: Final answer
    x = 555,839,402.40

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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.