Home / 446,808,506.40-670,212,759.60-309,058,999.20

Finding the Fourth Proportional to 446,808,506.40, 670,212,759.60 and 309,058,999.20

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Solution

The fourth proportional to 446,808,506.40, 670,212,759.60 and 309,058,999.20 is: 463,588,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,808,506.40 : 670,212,759.60 = 309,058,999.20 : x
  2. Step 2: Convert to fraction form
    446,808,506.40/670,212,759.60 = 309,058,999.20/x
  3. Step 3: Cross multiply
    446,808,506.40x = 670,212,759.60 × 309,058,999.20
  4. Step 4: Simplify right side
    446,808,506.40x = 207,135,284,733,046,176
  5. Step 5: Solve for x
    x = 207,135,284,733,046,176/446,808,506.40
  6. Step 6: Final answer
    x = 463,588,498.80

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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.