Home / 295,106,572.80-442,659,859.20-193,184,985.60

Finding the Fourth Proportional to 295,106,572.80, 442,659,859.20 and 193,184,985.60

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Solution

The fourth proportional to 295,106,572.80, 442,659,859.20 and 193,184,985.60 is: 289,777,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,106,572.80 : 442,659,859.20 = 193,184,985.60 : x
  2. Step 2: Convert to fraction form
    295,106,572.80/442,659,859.20 = 193,184,985.60/x
  3. Step 3: Cross multiply
    295,106,572.80x = 442,659,859.20 × 193,184,985.60
  4. Step 4: Simplify right side
    295,106,572.80x = 85,515,238,525,250,016
  5. Step 5: Solve for x
    x = 85,515,238,525,250,016/295,106,572.80
  6. Step 6: Final answer
    x = 289,777,478.40

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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.