Home / 381,961,630,538.37-527,108,688,874.80-208,350,553,393.04

Finding the Fourth Proportional to 381,961,630,538.37, 527,108,688,874.80 and 208,350,553,393.04

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Solution

The fourth proportional to 381,961,630,538.37, 527,108,688,874.80 and 208,350,553,393.04 is: 287,524,657,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,961,630,538.37 : 527,108,688,874.80 = 208,350,553,393.04 : x
  2. Step 2: Convert to fraction form
    381,961,630,538.37/527,108,688,874.80 = 208,350,553,393.04/x
  3. Step 3: Cross multiply
    381,961,630,538.37x = 527,108,688,874.80 × 208,350,553,393.04
  4. Step 4: Simplify right side
    381,961,630,538.37x = 109,823,387,025,344,322,076,672
  5. Step 5: Solve for x
    x = 109,823,387,025,344,322,076,672/381,961,630,538.37
  6. Step 6: Final answer
    x = 287,524,657,569.79

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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.