Home / 29,020,265,811.61-43,510,159,986.28-12,858,397,524.65

Finding the Fourth Proportional to 29,020,265,811.61, 43,510,159,986.28 and 12,858,397,524.65

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Solution

The fourth proportional to 29,020,265,811.61, 43,510,159,986.28 and 12,858,397,524.65 is: 19,278,628,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020,265,811.61 : 43,510,159,986.28 = 12,858,397,524.65 : x
  2. Step 2: Convert to fraction form
    29,020,265,811.61/43,510,159,986.28 = 12,858,397,524.65/x
  3. Step 3: Cross multiply
    29,020,265,811.61x = 43,510,159,986.28 × 12,858,397,524.65
  4. Step 4: Simplify right side
    29,020,265,811.61x = 559,470,933,464,708,218,880
  5. Step 5: Solve for x
    x = 559,470,933,464,708,218,880/29,020,265,811.61
  6. Step 6: Final answer
    x = 19,278,628,841.53

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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.