Home / 1,212,923,266,979.40-1,819,496,746,246.70-396,100,294,730.43

Finding the Fourth Proportional to 1,212,923,266,979.40, 1,819,496,746,246.70 and 396,100,294,730.43

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Solution

The fourth proportional to 1,212,923,266,979.40, 1,819,496,746,246.70 and 396,100,294,730.43 is: 594,186,967,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,923,266,979.40 : 1,819,496,746,246.70 = 396,100,294,730.43 : x
  2. Step 2: Convert to fraction form
    1,212,923,266,979.40/1,819,496,746,246.70 = 396,100,294,730.43/x
  3. Step 3: Cross multiply
    1,212,923,266,979.40x = 1,819,496,746,246.70 × 396,100,294,730.43
  4. Step 4: Simplify right side
    1,212,923,266,979.40x = 720,703,197,449,376,214,548,480
  5. Step 5: Solve for x
    x = 720,703,197,449,376,214,548,480/1,212,923,266,979.40
  6. Step 6: Final answer
    x = 594,186,967,197.17

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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.