Home / 343,842,843.40-515,764,265.10-323,670,862.60

Finding the Fourth Proportional to 343,842,843.40, 515,764,265.10 and 323,670,862.60

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Solution

The fourth proportional to 343,842,843.40, 515,764,265.10 and 323,670,862.60 is: 485,506,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,842,843.40 : 515,764,265.10 = 323,670,862.60 : x
  2. Step 2: Convert to fraction form
    343,842,843.40/515,764,265.10 = 323,670,862.60/x
  3. Step 3: Cross multiply
    343,842,843.40x = 515,764,265.10 × 323,670,862.60
  4. Step 4: Simplify right side
    343,842,843.40x = 166,937,864,583,172,096
  5. Step 5: Solve for x
    x = 166,937,864,583,172,096/343,842,843.40
  6. Step 6: Final answer
    x = 485,506,293.90

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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.