Home / 1,454,767,007.80-2,182,150,511.70-419,661,657.40

Finding the Fourth Proportional to 1,454,767,007.80, 2,182,150,511.70 and 419,661,657.40

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Solution

The fourth proportional to 1,454,767,007.80, 2,182,150,511.70 and 419,661,657.40 is: 629,492,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,767,007.80 : 2,182,150,511.70 = 419,661,657.40 : x
  2. Step 2: Convert to fraction form
    1,454,767,007.80/2,182,150,511.70 = 419,661,657.40/x
  3. Step 3: Cross multiply
    1,454,767,007.80x = 2,182,150,511.70 × 419,661,657.40
  4. Step 4: Simplify right side
    1,454,767,007.80x = 915,764,900,436,279,936
  5. Step 5: Solve for x
    x = 915,764,900,436,279,936/1,454,767,007.80
  6. Step 6: Final answer
    x = 629,492,486.10

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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.