Home / 654,704,893.08-981,207,026.73-266,075,474.22

Finding the Fourth Proportional to 654,704,893.08, 981,207,026.73 and 266,075,474.22

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Solution

The fourth proportional to 654,704,893.08, 981,207,026.73 and 266,075,474.22 is: 398,767,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,704,893.08 : 981,207,026.73 = 266,075,474.22 : x
  2. Step 2: Convert to fraction form
    654,704,893.08/981,207,026.73 = 266,075,474.22/x
  3. Step 3: Cross multiply
    654,704,893.08x = 981,207,026.73 × 266,075,474.22
  4. Step 4: Simplify right side
    654,704,893.08x = 261,075,124,945,180,960
  5. Step 5: Solve for x
    x = 261,075,124,945,180,960/654,704,893.08
  6. Step 6: Final answer
    x = 398,767,639.75

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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.