Home / 295,257,866.10-442,886,799.15-280,477,245.30

Finding the Fourth Proportional to 295,257,866.10, 442,886,799.15 and 280,477,245.30

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Solution

The fourth proportional to 295,257,866.10, 442,886,799.15 and 280,477,245.30 is: 420,715,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,257,866.10 : 442,886,799.15 = 280,477,245.30 : x
  2. Step 2: Convert to fraction form
    295,257,866.10/442,886,799.15 = 280,477,245.30/x
  3. Step 3: Cross multiply
    295,257,866.10x = 442,886,799.15 × 280,477,245.30
  4. Step 4: Simplify right side
    295,257,866.10x = 124,219,669,405,326,384
  5. Step 5: Solve for x
    x = 124,219,669,405,326,384/295,257,866.10
  6. Step 6: Final answer
    x = 420,715,867.95

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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.