Home / 347,711,447.60-521,567,171.40-342,336,676.40

Finding the Fourth Proportional to 347,711,447.60, 521,567,171.40 and 342,336,676.40

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Solution

The fourth proportional to 347,711,447.60, 521,567,171.40 and 342,336,676.40 is: 513,505,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711,447.60 : 521,567,171.40 = 342,336,676.40 : x
  2. Step 2: Convert to fraction form
    347,711,447.60/521,567,171.40 = 342,336,676.40/x
  3. Step 3: Cross multiply
    347,711,447.60x = 521,567,171.40 × 342,336,676.40
  4. Step 4: Simplify right side
    347,711,447.60x = 178,551,571,976,425,120
  5. Step 5: Solve for x
    x = 178,551,571,976,425,120/347,711,447.60
  6. Step 6: Final answer
    x = 513,505,014.60

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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.