Home / 400,201,076,171.16-552,261,995,439.69-217,293,991,472.58

Finding the Fourth Proportional to 400,201,076,171.16, 552,261,995,439.69 and 217,293,991,472.58

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Solution

The fourth proportional to 400,201,076,171.16, 552,261,995,439.69 and 217,293,991,472.58 is: 299,857,297,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,201,076,171.16 : 552,261,995,439.69 = 217,293,991,472.58 : x
  2. Step 2: Convert to fraction form
    400,201,076,171.16/552,261,995,439.69 = 217,293,991,472.58/x
  3. Step 3: Cross multiply
    400,201,076,171.16x = 552,261,995,439.69 × 217,293,991,472.58
  4. Step 4: Simplify right side
    400,201,076,171.16x = 120,003,213,327,701,989,392,384
  5. Step 5: Solve for x
    x = 120,003,213,327,701,989,392,384/400,201,076,171.16
  6. Step 6: Final answer
    x = 299,857,297,925.85

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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.