Home / 6,898,204,027.40-10,347,306,041.10-1,991,037,921.80

Finding the Fourth Proportional to 6,898,204,027.40, 10,347,306,041.10 and 1,991,037,921.80

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Solution

The fourth proportional to 6,898,204,027.40, 10,347,306,041.10 and 1,991,037,921.80 is: 2,986,556,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898,204,027.40 : 10,347,306,041.10 = 1,991,037,921.80 : x
  2. Step 2: Convert to fraction form
    6,898,204,027.40/10,347,306,041.10 = 1,991,037,921.80/x
  3. Step 3: Cross multiply
    6,898,204,027.40x = 10,347,306,041.10 × 1,991,037,921.80
  4. Step 4: Simplify right side
    6,898,204,027.40x = 20,601,878,716,300,328,960
  5. Step 5: Solve for x
    x = 20,601,878,716,300,328,960/6,898,204,027.40
  6. Step 6: Final answer
    x = 2,986,556,882.70

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Double scale
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1.5x scale

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.