Home / 1,212,923,266,984.40-1,819,496,746,254.20-396,100,294,735.42

Finding the Fourth Proportional to 1,212,923,266,984.40, 1,819,496,746,254.20 and 396,100,294,735.42

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Solution

The fourth proportional to 1,212,923,266,984.40, 1,819,496,746,254.20 and 396,100,294,735.42 is: 594,186,967,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,923,266,984.40 : 1,819,496,746,254.20 = 396,100,294,735.42 : x
  2. Step 2: Convert to fraction form
    1,212,923,266,984.40/1,819,496,746,254.20 = 396,100,294,735.42/x
  3. Step 3: Cross multiply
    1,212,923,266,984.40x = 1,819,496,746,254.20 × 396,100,294,735.42
  4. Step 4: Simplify right side
    1,212,923,266,984.40x = 720,703,197,461,426,282,168,320
  5. Step 5: Solve for x
    x = 720,703,197,461,426,282,168,320/1,212,923,266,984.40
  6. Step 6: Final answer
    x = 594,186,967,204.66

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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.