Home / 343,842,811.40-515,764,217.10-323,670,830.60

Finding the Fourth Proportional to 343,842,811.40, 515,764,217.10 and 323,670,830.60

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Solution

The fourth proportional to 343,842,811.40, 515,764,217.10 and 323,670,830.60 is: 485,506,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,842,811.40 : 515,764,217.10 = 323,670,830.60 : x
  2. Step 2: Convert to fraction form
    343,842,811.40/515,764,217.10 = 323,670,830.60/x
  3. Step 3: Cross multiply
    343,842,811.40x = 515,764,217.10 × 323,670,830.60
  4. Step 4: Simplify right side
    343,842,811.40x = 166,937,832,542,515,744
  5. Step 5: Solve for x
    x = 166,937,832,542,515,744/343,842,811.40
  6. Step 6: Final answer
    x = 485,506,245.90

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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.