Home / 647,264,967.15-893,171,644.50-364,991,589.03

Finding the Fourth Proportional to 647,264,967.15, 893,171,644.50 and 364,991,589.03

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Solution

The fourth proportional to 647,264,967.15, 893,171,644.50 and 364,991,589.03 is: 503,657,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,264,967.15 : 893,171,644.50 = 364,991,589.03 : x
  2. Step 2: Convert to fraction form
    647,264,967.15/893,171,644.50 = 364,991,589.03/x
  3. Step 3: Cross multiply
    647,264,967.15x = 893,171,644.50 × 364,991,589.03
  4. Step 4: Simplify right side
    647,264,967.15x = 326,000,137,802,593,216
  5. Step 5: Solve for x
    x = 326,000,137,802,593,216/647,264,967.15
  6. Step 6: Final answer
    x = 503,657,936.62

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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.