Home / 354,191,708.61-488,941,310.54-228,805,055.24

Finding the Fourth Proportional to 354,191,708.61, 488,941,310.54 and 228,805,055.24

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Solution

The fourth proportional to 354,191,708.61, 488,941,310.54 and 228,805,055.24 is: 315,852,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,191,708.61 : 488,941,310.54 = 228,805,055.24 : x
  2. Step 2: Convert to fraction form
    354,191,708.61/488,941,310.54 = 228,805,055.24/x
  3. Step 3: Cross multiply
    354,191,708.61x = 488,941,310.54 × 228,805,055.24
  4. Step 4: Simplify right side
    354,191,708.61x = 111,872,243,565,350,016
  5. Step 5: Solve for x
    x = 111,872,243,565,350,016/354,191,708.61
  6. Step 6: Final answer
    x = 315,852,237.21

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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.