Home / 7,674,933,615.40-11,512,400,423.10-7,123,935,586.60

Finding the Fourth Proportional to 7,674,933,615.40, 11,512,400,423.10 and 7,123,935,586.60

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Solution

The fourth proportional to 7,674,933,615.40, 11,512,400,423.10 and 7,123,935,586.60 is: 10,685,903,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674,933,615.40 : 11,512,400,423.10 = 7,123,935,586.60 : x
  2. Step 2: Convert to fraction form
    7,674,933,615.40/11,512,400,423.10 = 7,123,935,586.60/x
  3. Step 3: Cross multiply
    7,674,933,615.40x = 11,512,400,423.10 × 7,123,935,586.60
  4. Step 4: Simplify right side
    7,674,933,615.40x = 82,013,599,061,310,996,480
  5. Step 5: Solve for x
    x = 82,013,599,061,310,996,480/7,674,933,615.40
  6. Step 6: Final answer
    x = 10,685,903,379.90

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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.