Home / 10,080,429,829.40-15,120,644,744.10-6,978,515,000.60

Finding the Fourth Proportional to 10,080,429,829.40, 15,120,644,744.10 and 6,978,515,000.60

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Solution

The fourth proportional to 10,080,429,829.40, 15,120,644,744.10 and 6,978,515,000.60 is: 10,467,772,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,429,829.40 : 15,120,644,744.10 = 6,978,515,000.60 : x
  2. Step 2: Convert to fraction form
    10,080,429,829.40/15,120,644,744.10 = 6,978,515,000.60/x
  3. Step 3: Cross multiply
    10,080,429,829.40x = 15,120,644,744.10 × 6,978,515,000.60
  4. Step 4: Simplify right side
    10,080,429,829.40x = 105,519,646,165,445,410,816
  5. Step 5: Solve for x
    x = 105,519,646,165,445,410,816/10,080,429,829.40
  6. Step 6: Final answer
    x = 10,467,772,500.90

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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.