Home / 636,196,688,367.44-877,970,058,808.20-347,183,570,722.64

Finding the Fourth Proportional to 636,196,688,367.44, 877,970,058,808.20 and 347,183,570,722.64

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Solution

The fourth proportional to 636,196,688,367.44, 877,970,058,808.20 and 347,183,570,722.64 is: 479,123,493,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,196,688,367.44 : 877,970,058,808.20 = 347,183,570,722.64 : x
  2. Step 2: Convert to fraction form
    636,196,688,367.44/877,970,058,808.20 = 347,183,570,722.64/x
  3. Step 3: Cross multiply
    636,196,688,367.44x = 877,970,058,808.20 × 347,183,570,722.64
  4. Step 4: Simplify right side
    636,196,688,367.44x = 304,816,780,004,597,132,427,264
  5. Step 5: Solve for x
    x = 304,816,780,004,597,132,427,264/636,196,688,367.44
  6. Step 6: Final answer
    x = 479,123,493,689.97

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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.