Home / 295,257,856.60-442,886,784.90-280,477,235.80

Finding the Fourth Proportional to 295,257,856.60, 442,886,784.90 and 280,477,235.80

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Solution

The fourth proportional to 295,257,856.60, 442,886,784.90 and 280,477,235.80 is: 420,715,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,257,856.60 : 442,886,784.90 = 280,477,235.80 : x
  2. Step 2: Convert to fraction form
    295,257,856.60/442,886,784.90 = 280,477,235.80/x
  3. Step 3: Cross multiply
    295,257,856.60x = 442,886,784.90 × 280,477,235.80
  4. Step 4: Simplify right side
    295,257,856.60x = 124,219,661,201,101,184
  5. Step 5: Solve for x
    x = 124,219,661,201,101,184/295,257,856.60
  6. Step 6: Final answer
    x = 420,715,853.70

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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.