Home / 6,953,783,962.78-10,430,740,510.35-1,979,505,644.26

Finding the Fourth Proportional to 6,953,783,962.78, 10,430,740,510.35 and 1,979,505,644.26

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Solution

The fourth proportional to 6,953,783,962.78, 10,430,740,510.35 and 1,979,505,644.26 is: 2,969,276,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953,783,962.78 : 10,430,740,510.35 = 1,979,505,644.26 : x
  2. Step 2: Convert to fraction form
    6,953,783,962.78/10,430,740,510.35 = 1,979,505,644.26/x
  3. Step 3: Cross multiply
    6,953,783,962.78x = 10,430,740,510.35 × 1,979,505,644.26
  4. Step 4: Simplify right side
    6,953,783,962.78x = 20,647,709,714,049,257,472
  5. Step 5: Solve for x
    x = 20,647,709,714,049,257,472/6,953,783,962.78
  6. Step 6: Final answer
    x = 2,969,276,846.18

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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.