Home / 6,898,204,037.40-10,347,306,056.10-1,991,037,931.80

Finding the Fourth Proportional to 6,898,204,037.40, 10,347,306,056.10 and 1,991,037,931.80

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Solution

The fourth proportional to 6,898,204,037.40, 10,347,306,056.10 and 1,991,037,931.80 is: 2,986,556,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898,204,037.40 : 10,347,306,056.10 = 1,991,037,931.80 : x
  2. Step 2: Convert to fraction form
    6,898,204,037.40/10,347,306,056.10 = 1,991,037,931.80/x
  3. Step 3: Cross multiply
    6,898,204,037.40x = 10,347,306,056.10 × 1,991,037,931.80
  4. Step 4: Simplify right side
    6,898,204,037.40x = 20,601,878,849,638,957,056
  5. Step 5: Solve for x
    x = 20,601,878,849,638,957,056/6,898,204,037.40
  6. Step 6: Final answer
    x = 2,986,556,897.70

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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.