Home / 356,319,086.40-534,478,629.60-298,923,458.40

Finding the Fourth Proportional to 356,319,086.40, 534,478,629.60 and 298,923,458.40

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Solution

The fourth proportional to 356,319,086.40, 534,478,629.60 and 298,923,458.40 is: 448,385,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,319,086.40 : 534,478,629.60 = 298,923,458.40 : x
  2. Step 2: Convert to fraction form
    356,319,086.40/534,478,629.60 = 298,923,458.40/x
  3. Step 3: Cross multiply
    356,319,086.40x = 534,478,629.60 × 298,923,458.40
  4. Step 4: Simplify right side
    356,319,086.40x = 159,768,200,400,924,608
  5. Step 5: Solve for x
    x = 159,768,200,400,924,608/356,319,086.40
  6. Step 6: Final answer
    x = 448,385,187.60

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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.