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Finding the Fourth Proportional to 551,998,544.95, 828,005,029.59 and 183,533,497.21

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Solution

The fourth proportional to 551,998,544.95, 828,005,029.59 and 183,533,497.21 is: 275,302,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,998,544.95 : 828,005,029.59 = 183,533,497.21 : x
  2. Step 2: Convert to fraction form
    551,998,544.95/828,005,029.59 = 183,533,497.21/x
  3. Step 3: Cross multiply
    551,998,544.95x = 828,005,029.59 × 183,533,497.21
  4. Step 4: Simplify right side
    551,998,544.95x = 151,966,658,783,982,240
  5. Step 5: Solve for x
    x = 151,966,658,783,982,240/551,998,544.95
  6. Step 6: Final answer
    x = 275,302,643.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.