Home / 416,985,485.63-575,438,391.14-228,816,927.89

Finding the Fourth Proportional to 416,985,485.63, 575,438,391.14 and 228,816,927.89

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Solution

The fourth proportional to 416,985,485.63, 575,438,391.14 and 228,816,927.89 is: 315,766,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,985,485.63 : 575,438,391.14 = 228,816,927.89 : x
  2. Step 2: Convert to fraction form
    416,985,485.63/575,438,391.14 = 228,816,927.89/x
  3. Step 3: Cross multiply
    416,985,485.63x = 575,438,391.14 × 228,816,927.89
  4. Step 4: Simplify right side
    416,985,485.63x = 131,670,044,853,918,496
  5. Step 5: Solve for x
    x = 131,670,044,853,918,496/416,985,485.63
  6. Step 6: Final answer
    x = 315,766,494.02

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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.