Home / 414,105,825,095.78-621,220,846,240.62-145,447,452,817.40

Finding the Fourth Proportional to 414,105,825,095.78, 621,220,846,240.62 and 145,447,452,817.40

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Solution

The fourth proportional to 414,105,825,095.78, 621,220,846,240.62 and 145,447,452,817.40 is: 218,192,993,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,825,095.78 : 621,220,846,240.62 = 145,447,452,817.40 : x
  2. Step 2: Convert to fraction form
    414,105,825,095.78/621,220,846,240.62 = 145,447,452,817.40/x
  3. Step 3: Cross multiply
    414,105,825,095.78x = 621,220,846,240.62 × 145,447,452,817.40
  4. Step 4: Simplify right side
    414,105,825,095.78x = 90,354,989,722,767,877,734,400
  5. Step 5: Solve for x
    x = 90,354,989,722,767,877,734,400/414,105,825,095.78
  6. Step 6: Final answer
    x = 218,192,993,788.17

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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.