Home / 451,133,004.40-675,943,679.40-386,131,865.20

Finding the Fourth Proportional to 451,133,004.40, 675,943,679.40 and 386,131,865.20

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Solution

The fourth proportional to 451,133,004.40, 675,943,679.40 and 386,131,865.20 is: 578,550,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,133,004.40 : 675,943,679.40 = 386,131,865.20 : x
  2. Step 2: Convert to fraction form
    451,133,004.40/675,943,679.40 = 386,131,865.20/x
  3. Step 3: Cross multiply
    451,133,004.40x = 675,943,679.40 × 386,131,865.20
  4. Step 4: Simplify right side
    451,133,004.40x = 261,003,393,696,872,800
  5. Step 5: Solve for x
    x = 261,003,393,696,872,800/451,133,004.40
  6. Step 6: Final answer
    x = 578,550,873.36

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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.