Home / 6,898,204,047.90-10,347,306,071.85-1,991,037,942.30

Finding the Fourth Proportional to 6,898,204,047.90, 10,347,306,071.85 and 1,991,037,942.30

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Solution

The fourth proportional to 6,898,204,047.90, 10,347,306,071.85 and 1,991,037,942.30 is: 2,986,556,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898,204,047.90 : 10,347,306,071.85 = 1,991,037,942.30 : x
  2. Step 2: Convert to fraction form
    6,898,204,047.90/10,347,306,071.85 = 1,991,037,942.30/x
  3. Step 3: Cross multiply
    6,898,204,047.90x = 10,347,306,071.85 × 1,991,037,942.30
  4. Step 4: Simplify right side
    6,898,204,047.90x = 20,601,878,989,644,521,472
  5. Step 5: Solve for x
    x = 20,601,878,989,644,521,472/6,898,204,047.90
  6. Step 6: Final answer
    x = 2,986,556,913.45

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Double scale
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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.