Home / 729,244,364.37-1,006,357,271.94-399,219,503.37

Finding the Fourth Proportional to 729,244,364.37, 1,006,357,271.94 and 399,219,503.37

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Solution

The fourth proportional to 729,244,364.37, 1,006,357,271.94 and 399,219,503.37 is: 550,922,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,244,364.37 : 1,006,357,271.94 = 399,219,503.37 : x
  2. Step 2: Convert to fraction form
    729,244,364.37/1,006,357,271.94 = 399,219,503.37/x
  3. Step 3: Cross multiply
    729,244,364.37x = 1,006,357,271.94 × 399,219,503.37
  4. Step 4: Simplify right side
    729,244,364.37x = 401,757,450,316,674,880
  5. Step 5: Solve for x
    x = 401,757,450,316,674,880/729,244,364.37
  6. Step 6: Final answer
    x = 550,922,941.54

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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.