Home / 784,850,412.70-1,177,275,619.05-768,726,099.10

Finding the Fourth Proportional to 784,850,412.70, 1,177,275,619.05 and 768,726,099.10

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Solution

The fourth proportional to 784,850,412.70, 1,177,275,619.05 and 768,726,099.10 is: 1,153,089,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,850,412.70 : 1,177,275,619.05 = 768,726,099.10 : x
  2. Step 2: Convert to fraction form
    784,850,412.70/1,177,275,619.05 = 768,726,099.10/x
  3. Step 3: Cross multiply
    784,850,412.70x = 1,177,275,619.05 × 768,726,099.10
  4. Step 4: Simplify right side
    784,850,412.70x = 905,002,494,197,844,096
  5. Step 5: Solve for x
    x = 905,002,494,197,844,096/784,850,412.70
  6. Step 6: Final answer
    x = 1,153,089,148.65

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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.