Home / 189,595,999.20-284,393,998.80-174,815,378.40

Finding the Fourth Proportional to 189,595,999.20, 284,393,998.80 and 174,815,378.40

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Solution

The fourth proportional to 189,595,999.20, 284,393,998.80 and 174,815,378.40 is: 262,223,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,595,999.20 : 284,393,998.80 = 174,815,378.40 : x
  2. Step 2: Convert to fraction form
    189,595,999.20/284,393,998.80 = 174,815,378.40/x
  3. Step 3: Cross multiply
    189,595,999.20x = 284,393,998.80 × 174,815,378.40
  4. Step 4: Simplify right side
    189,595,999.20x = 49,716,444,514,911,152
  5. Step 5: Solve for x
    x = 49,716,444,514,911,152/189,595,999.20
  6. Step 6: Final answer
    x = 262,223,067.60

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1.5x scale

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.