Home / 681,446,131.28-941,171,372.46-458,039,950.92

Finding the Fourth Proportional to 681,446,131.28, 941,171,372.46 and 458,039,950.92

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Solution

The fourth proportional to 681,446,131.28, 941,171,372.46 and 458,039,950.92 is: 632,616,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,446,131.28 : 941,171,372.46 = 458,039,950.92 : x
  2. Step 2: Convert to fraction form
    681,446,131.28/941,171,372.46 = 458,039,950.92/x
  3. Step 3: Cross multiply
    681,446,131.28x = 941,171,372.46 × 458,039,950.92
  4. Step 4: Simplify right side
    681,446,131.28x = 431,094,089,248,887,488
  5. Step 5: Solve for x
    x = 431,094,089,248,887,488/681,446,131.28
  6. Step 6: Final answer
    x = 632,616,533.37

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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.