Home / 439,540,981,838.70-659,359,845,698.85-160,429,113,422.70

Finding the Fourth Proportional to 439,540,981,838.70, 659,359,845,698.85 and 160,429,113,422.70

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Solution

The fourth proportional to 439,540,981,838.70, 659,359,845,698.85 and 160,429,113,422.70 is: 240,661,325,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,540,981,838.70 : 659,359,845,698.85 = 160,429,113,422.70 : x
  2. Step 2: Convert to fraction form
    439,540,981,838.70/659,359,845,698.85 = 160,429,113,422.70/x
  3. Step 3: Cross multiply
    439,540,981,838.70x = 659,359,845,698.85 × 160,429,113,422.70
  4. Step 4: Simplify right side
    439,540,981,838.70x = 105,780,515,471,994,782,744,576
  5. Step 5: Solve for x
    x = 105,780,515,471,994,782,744,576/439,540,981,838.70
  6. Step 6: Final answer
    x = 240,661,325,889.32

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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.