Home / 18,739,509,999.30-28,108,275,007.93-6,146,709,676.29

Finding the Fourth Proportional to 18,739,509,999.30, 28,108,275,007.93 and 6,146,709,676.29

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Solution

The fourth proportional to 18,739,509,999.30, 28,108,275,007.93 and 6,146,709,676.29 is: 9,219,739,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,509,999.30 : 28,108,275,007.93 = 6,146,709,676.29 : x
  2. Step 2: Convert to fraction form
    18,739,509,999.30/28,108,275,007.93 = 6,146,709,676.29/x
  3. Step 3: Cross multiply
    18,739,509,999.30x = 28,108,275,007.93 × 6,146,709,676.29
  4. Step 4: Simplify right side
    18,739,509,999.30x = 172,773,405,975,045,242,880
  5. Step 5: Solve for x
    x = 172,773,405,975,045,242,880/18,739,509,999.30
  6. Step 6: Final answer
    x = 9,219,739,789.43

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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.