Home / 726,764,683.70-1,090,147,025.55-670,644,514.10

Finding the Fourth Proportional to 726,764,683.70, 1,090,147,025.55 and 670,644,514.10

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Solution

The fourth proportional to 726,764,683.70, 1,090,147,025.55 and 670,644,514.10 is: 1,005,966,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,764,683.70 : 1,090,147,025.55 = 670,644,514.10 : x
  2. Step 2: Convert to fraction form
    726,764,683.70/1,090,147,025.55 = 670,644,514.10/x
  3. Step 3: Cross multiply
    726,764,683.70x = 1,090,147,025.55 × 670,644,514.10
  4. Step 4: Simplify right side
    726,764,683.70x = 731,101,122,247,539,968
  5. Step 5: Solve for x
    x = 731,101,122,247,539,968/726,764,683.70
  6. Step 6: Final answer
    x = 1,005,966,771.15

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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.