Home / 381,961,630,270.86-527,108,688,506.30-208,350,553,125.91

Finding the Fourth Proportional to 381,961,630,270.86, 527,108,688,506.30 and 208,350,553,125.91

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Solution

The fourth proportional to 381,961,630,270.86, 527,108,688,506.30 and 208,350,553,125.91 is: 287,524,657,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,961,630,270.86 : 527,108,688,506.30 = 208,350,553,125.91 : x
  2. Step 2: Convert to fraction form
    381,961,630,270.86/527,108,688,506.30 = 208,350,553,125.91/x
  3. Step 3: Cross multiply
    381,961,630,270.86x = 527,108,688,506.30 × 208,350,553,125.91
  4. Step 4: Simplify right side
    381,961,630,270.86x = 109,823,386,807,760,607,772,672
  5. Step 5: Solve for x
    x = 109,823,386,807,760,607,772,672/381,961,630,270.86
  6. Step 6: Final answer
    x = 287,524,657,201.51

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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.