Home / 208,030,811,998.80-312,046,217,998.20-50,996,373,790.80

Finding the Fourth Proportional to 208,030,811,998.80, 312,046,217,998.20 and 50,996,373,790.80

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Solution

The fourth proportional to 208,030,811,998.80, 312,046,217,998.20 and 50,996,373,790.80 is: 76,494,560,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,030,811,998.80 : 312,046,217,998.20 = 50,996,373,790.80 : x
  2. Step 2: Convert to fraction form
    208,030,811,998.80/312,046,217,998.20 = 50,996,373,790.80/x
  3. Step 3: Cross multiply
    208,030,811,998.80x = 312,046,217,998.20 × 50,996,373,790.80
  4. Step 4: Simplify right side
    208,030,811,998.80x = 15,913,225,573,041,671,503,872
  5. Step 5: Solve for x
    x = 15,913,225,573,041,671,503,872/208,030,811,998.80
  6. Step 6: Final answer
    x = 76,494,560,686.20

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Double scale
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Similar ratio
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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.