Home / 1,208,575,673,118.80-1,667,980,682,710.50-687,857,701,644.05

Finding the Fourth Proportional to 1,208,575,673,118.80, 1,667,980,682,710.50 and 687,857,701,644.05

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Solution

The fourth proportional to 1,208,575,673,118.80, 1,667,980,682,710.50 and 687,857,701,644.05 is: 949,326,868,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,575,673,118.80 : 1,667,980,682,710.50 = 687,857,701,644.05 : x
  2. Step 2: Convert to fraction form
    1,208,575,673,118.80/1,667,980,682,710.50 = 687,857,701,644.05/x
  3. Step 3: Cross multiply
    1,208,575,673,118.80x = 1,667,980,682,710.50 × 687,857,701,644.05
  4. Step 4: Simplify right side
    1,208,575,673,118.80x = 1,147,333,358,795,918,080,475,136
  5. Step 5: Solve for x
    x = 1,147,333,358,795,918,080,475,136/1,208,575,673,118.80
  6. Step 6: Final answer
    x = 949,326,868,242.48

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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.