Home / 1,212,923,266,975.90-1,819,496,746,241.40-396,100,294,726.93

Finding the Fourth Proportional to 1,212,923,266,975.90, 1,819,496,746,241.40 and 396,100,294,726.93

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Solution

The fourth proportional to 1,212,923,266,975.90, 1,819,496,746,241.40 and 396,100,294,726.93 is: 594,186,967,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,923,266,975.90 : 1,819,496,746,241.40 = 396,100,294,726.93 : x
  2. Step 2: Convert to fraction form
    1,212,923,266,975.90/1,819,496,746,241.40 = 396,100,294,726.93/x
  3. Step 3: Cross multiply
    1,212,923,266,975.90x = 1,819,496,746,241.40 × 396,100,294,726.93
  4. Step 4: Simplify right side
    1,212,923,266,975.90x = 720,703,197,440,908,686,524,416
  5. Step 5: Solve for x
    x = 720,703,197,440,908,686,524,416/1,212,923,266,975.90
  6. Step 6: Final answer
    x = 594,186,967,191.91

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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.