Home / 664,307,590,467.80-996,364,639,820.10-193,155,147,075.80

Finding the Fourth Proportional to 664,307,590,467.80, 996,364,639,820.10 and 193,155,147,075.80

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Solution

The fourth proportional to 664,307,590,467.80, 996,364,639,820.10 and 193,155,147,075.80 is: 289,704,590,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,307,590,467.80 : 996,364,639,820.10 = 193,155,147,075.80 : x
  2. Step 2: Convert to fraction form
    664,307,590,467.80/996,364,639,820.10 = 193,155,147,075.80/x
  3. Step 3: Cross multiply
    664,307,590,467.80x = 996,364,639,820.10 × 193,155,147,075.80
  4. Step 4: Simplify right side
    664,307,590,467.80x = 192,452,958,545,577,894,739,968
  5. Step 5: Solve for x
    x = 192,452,958,545,577,894,739,968/664,307,590,467.80
  6. Step 6: Final answer
    x = 289,704,590,625.04

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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.