Home / 358,734,193.80-538,101,290.70-272,003,022.60

Finding the Fourth Proportional to 358,734,193.80, 538,101,290.70 and 272,003,022.60

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Solution

The fourth proportional to 358,734,193.80, 538,101,290.70 and 272,003,022.60 is: 408,004,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,734,193.80 : 538,101,290.70 = 272,003,022.60 : x
  2. Step 2: Convert to fraction form
    358,734,193.80/538,101,290.70 = 272,003,022.60/x
  3. Step 3: Cross multiply
    358,734,193.80x = 538,101,290.70 × 272,003,022.60
  4. Step 4: Simplify right side
    358,734,193.80x = 146,365,177,535,361,280
  5. Step 5: Solve for x
    x = 146,365,177,535,361,280/358,734,193.80
  6. Step 6: Final answer
    x = 408,004,533.90

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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.