Home / 392,209,523.30-541,242,601.97-216,013,913.40

Finding the Fourth Proportional to 392,209,523.30, 541,242,601.97 and 216,013,913.40

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Solution

The fourth proportional to 392,209,523.30, 541,242,601.97 and 216,013,913.40 is: 298,095,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,209,523.30 : 541,242,601.97 = 216,013,913.40 : x
  2. Step 2: Convert to fraction form
    392,209,523.30/541,242,601.97 = 216,013,913.40/x
  3. Step 3: Cross multiply
    392,209,523.30x = 541,242,601.97 × 216,013,913.40
  4. Step 4: Simplify right side
    392,209,523.30x = 116,915,932,549,258,192
  5. Step 5: Solve for x
    x = 116,915,932,549,258,192/392,209,523.30
  6. Step 6: Final answer
    x = 298,095,598.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.