Home / 516,099,327.20-774,148,990.80-192,941,208.80

Finding the Fourth Proportional to 516,099,327.20, 774,148,990.80 and 192,941,208.80

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Solution

The fourth proportional to 516,099,327.20, 774,148,990.80 and 192,941,208.80 is: 289,411,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,099,327.20 : 774,148,990.80 = 192,941,208.80 : x
  2. Step 2: Convert to fraction form
    516,099,327.20/774,148,990.80 = 192,941,208.80/x
  3. Step 3: Cross multiply
    516,099,327.20x = 774,148,990.80 × 192,941,208.80
  4. Step 4: Simplify right side
    516,099,327.20x = 149,365,242,076,252,064
  5. Step 5: Solve for x
    x = 149,365,242,076,252,064/516,099,327.20
  6. Step 6: Final answer
    x = 289,411,813.20

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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.