Home / 381,961,630,321.80-527,108,688,576.49-208,350,553,176.87

Finding the Fourth Proportional to 381,961,630,321.80, 527,108,688,576.49 and 208,350,553,176.87

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Solution

The fourth proportional to 381,961,630,321.80, 527,108,688,576.49 and 208,350,553,176.87 is: 287,524,657,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,961,630,321.80 : 527,108,688,576.49 = 208,350,553,176.87 : x
  2. Step 2: Convert to fraction form
    381,961,630,321.80/527,108,688,576.49 = 208,350,553,176.87/x
  3. Step 3: Cross multiply
    381,961,630,321.80x = 527,108,688,576.49 × 208,350,553,176.87
  4. Step 4: Simplify right side
    381,961,630,321.80x = 109,823,386,849,246,183,424,000
  5. Step 5: Solve for x
    x = 109,823,386,849,246,183,424,000/381,961,630,321.80
  6. Step 6: Final answer
    x = 287,524,657,271.78

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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.