Home / 381,961,630,317.93-527,108,688,571.15-208,350,553,172.98

Finding the Fourth Proportional to 381,961,630,317.93, 527,108,688,571.15 and 208,350,553,172.98

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Solution

The fourth proportional to 381,961,630,317.93, 527,108,688,571.15 and 208,350,553,172.98 is: 287,524,657,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,961,630,317.93 : 527,108,688,571.15 = 208,350,553,172.98 : x
  2. Step 2: Convert to fraction form
    381,961,630,317.93/527,108,688,571.15 = 208,350,553,172.98/x
  3. Step 3: Cross multiply
    381,961,630,317.93x = 527,108,688,571.15 × 208,350,553,172.98
  4. Step 4: Simplify right side
    381,961,630,317.93x = 109,823,386,846,083,158,114,304
  5. Step 5: Solve for x
    x = 109,823,386,846,083,158,114,304/381,961,630,317.93
  6. Step 6: Final answer
    x = 287,524,657,266.41

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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.