Home / 880,075,685.20-1,320,113,772.42-327,305,889.94

Finding the Fourth Proportional to 880,075,685.20, 1,320,113,772.42 and 327,305,889.94

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Solution

The fourth proportional to 880,075,685.20, 1,320,113,772.42 and 327,305,889.94 is: 490,958,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,075,685.20 : 1,320,113,772.42 = 327,305,889.94 : x
  2. Step 2: Convert to fraction form
    880,075,685.20/1,320,113,772.42 = 327,305,889.94/x
  3. Step 3: Cross multiply
    880,075,685.20x = 1,320,113,772.42 × 327,305,889.94
  4. Step 4: Simplify right side
    880,075,685.20x = 432,081,013,103,978,752
  5. Step 5: Solve for x
    x = 432,081,013,103,978,752/880,075,685.20
  6. Step 6: Final answer
    x = 490,958,925.89

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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.