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Finding the Fourth Proportional to 670,562,843.80, 1,006,992,003.30 and 364,452,827.80

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Solution

The fourth proportional to 670,562,843.80, 1,006,992,003.30 and 364,452,827.80 is: 547,303,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,562,843.80 : 1,006,992,003.30 = 364,452,827.80 : x
  2. Step 2: Convert to fraction form
    670,562,843.80/1,006,992,003.30 = 364,452,827.80/x
  3. Step 3: Cross multiply
    670,562,843.80x = 1,006,992,003.30 × 364,452,827.80
  4. Step 4: Simplify right side
    670,562,843.80x = 367,001,083,174,671,936
  5. Step 5: Solve for x
    x = 367,001,083,174,671,936/670,562,843.80
  6. Step 6: Final answer
    x = 547,303,040.38

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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.