Home / 476,218,338,615.64-656,739,870,855.24-347,555,990,675.78

Finding the Fourth Proportional to 476,218,338,615.64, 656,739,870,855.24 and 347,555,990,675.78

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Solution

The fourth proportional to 476,218,338,615.64, 656,739,870,855.24 and 347,555,990,675.78 is: 479,305,095,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,218,338,615.64 : 656,739,870,855.24 = 347,555,990,675.78 : x
  2. Step 2: Convert to fraction form
    476,218,338,615.64/656,739,870,855.24 = 347,555,990,675.78/x
  3. Step 3: Cross multiply
    476,218,338,615.64x = 656,739,870,855.24 × 347,555,990,675.78
  4. Step 4: Simplify right side
    476,218,338,615.64x = 228,253,876,431,376,758,079,488
  5. Step 5: Solve for x
    x = 228,253,876,431,376,758,079,488/476,218,338,615.64
  6. Step 6: Final answer
    x = 479,305,095,840.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.