Home / 1,780,861,739.70-2,670,040,923.03-784,409,861.46

Finding the Fourth Proportional to 1,780,861,739.70, 2,670,040,923.03 and 784,409,861.46

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Solution

The fourth proportional to 1,780,861,739.70, 2,670,040,923.03 and 784,409,861.46 is: 1,176,063,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,861,739.70 : 2,670,040,923.03 = 784,409,861.46 : x
  2. Step 2: Convert to fraction form
    1,780,861,739.70/2,670,040,923.03 = 784,409,861.46/x
  3. Step 3: Cross multiply
    1,780,861,739.70x = 2,670,040,923.03 × 784,409,861.46
  4. Step 4: Simplify right side
    1,780,861,739.70x = 2,094,406,430,526,493,184
  5. Step 5: Solve for x
    x = 2,094,406,430,526,493,184/1,780,861,739.70
  6. Step 6: Final answer
    x = 1,176,063,466.26

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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.