Home / 446,672,314.80-670,029,467.40-139,974,433.20

Finding the Fourth Proportional to 446,672,314.80, 670,029,467.40 and 139,974,433.20

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Solution

The fourth proportional to 446,672,314.80, 670,029,467.40 and 139,974,433.20 is: 209,968,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,672,314.80 : 670,029,467.40 = 139,974,433.20 : x
  2. Step 2: Convert to fraction form
    446,672,314.80/670,029,467.40 = 139,974,433.20/x
  3. Step 3: Cross multiply
    446,672,314.80x = 670,029,467.40 × 139,974,433.20
  4. Step 4: Simplify right side
    446,672,314.80x = 93,786,994,926,612,864
  5. Step 5: Solve for x
    x = 93,786,994,926,612,864/446,672,314.80
  6. Step 6: Final answer
    x = 209,968,229.10

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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.