Home / 476,218,338,616.63-656,739,870,856.63-347,555,990,676.79

Finding the Fourth Proportional to 476,218,338,616.63, 656,739,870,856.63 and 347,555,990,676.79

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Solution

The fourth proportional to 476,218,338,616.63, 656,739,870,856.63 and 347,555,990,676.79 is: 479,305,095,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,218,338,616.63 : 656,739,870,856.63 = 347,555,990,676.79 : x
  2. Step 2: Convert to fraction form
    476,218,338,616.63/656,739,870,856.63 = 347,555,990,676.79/x
  3. Step 3: Cross multiply
    476,218,338,616.63x = 656,739,870,856.63 × 347,555,990,676.79
  4. Step 4: Simplify right side
    476,218,338,616.63x = 228,253,876,432,523,145,248,768
  5. Step 5: Solve for x
    x = 228,253,876,432,523,145,248,768/476,218,338,616.63
  6. Step 6: Final answer
    x = 479,305,095,842.34

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1.5x scale

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.