Home / 681,080,325.48-939,890,813.19-367,814,509.27

Finding the Fourth Proportional to 681,080,325.48, 939,890,813.19 and 367,814,509.27

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Solution

The fourth proportional to 681,080,325.48, 939,890,813.19 and 367,814,509.27 is: 507,584,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,080,325.48 : 939,890,813.19 = 367,814,509.27 : x
  2. Step 2: Convert to fraction form
    681,080,325.48/939,890,813.19 = 367,814,509.27/x
  3. Step 3: Cross multiply
    681,080,325.48x = 939,890,813.19 × 367,814,509.27
  4. Step 4: Simplify right side
    681,080,325.48x = 345,705,478,217,132,032
  5. Step 5: Solve for x
    x = 345,705,478,217,132,032/681,080,325.48
  6. Step 6: Final answer
    x = 507,584,003.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.