Home / 383,458,889.40-575,188,334.10-363,807,382.20

Finding the Fourth Proportional to 383,458,889.40, 575,188,334.10 and 363,807,382.20

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Solution

The fourth proportional to 383,458,889.40, 575,188,334.10 and 363,807,382.20 is: 545,711,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,458,889.40 : 575,188,334.10 = 363,807,382.20 : x
  2. Step 2: Convert to fraction form
    383,458,889.40/575,188,334.10 = 363,807,382.20/x
  3. Step 3: Cross multiply
    383,458,889.40x = 575,188,334.10 × 363,807,382.20
  4. Step 4: Simplify right side
    383,458,889.40x = 209,257,762,100,900,000
  5. Step 5: Solve for x
    x = 209,257,762,100,900,000/383,458,889.40
  6. Step 6: Final answer
    x = 545,711,073.30

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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.