Home / 20,503,385,744.40-30,758,025,790.80-6,339,456,085.68

Finding the Fourth Proportional to 20,503,385,744.40, 30,758,025,790.80 and 6,339,456,085.68

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Solution

The fourth proportional to 20,503,385,744.40, 30,758,025,790.80 and 6,339,456,085.68 is: 9,510,095,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,385,744.40 : 30,758,025,790.80 = 6,339,456,085.68 : x
  2. Step 2: Convert to fraction form
    20,503,385,744.40/30,758,025,790.80 = 6,339,456,085.68/x
  3. Step 3: Cross multiply
    20,503,385,744.40x = 30,758,025,790.80 × 6,339,456,085.68
  4. Step 4: Simplify right side
    20,503,385,744.40x = 194,989,153,782,989,455,360
  5. Step 5: Solve for x
    x = 194,989,153,782,989,455,360/20,503,385,744.40
  6. Step 6: Final answer
    x = 9,510,095,367.36

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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.