Home / 322,055,999.40-483,083,999.10-300,373,206.60

Finding the Fourth Proportional to 322,055,999.40, 483,083,999.10 and 300,373,206.60

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Solution

The fourth proportional to 322,055,999.40, 483,083,999.10 and 300,373,206.60 is: 450,559,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,055,999.40 : 483,083,999.10 = 300,373,206.60 : x
  2. Step 2: Convert to fraction form
    322,055,999.40/483,083,999.10 = 300,373,206.60/x
  3. Step 3: Cross multiply
    322,055,999.40x = 483,083,999.10 × 300,373,206.60
  4. Step 4: Simplify right side
    322,055,999.40x = 145,105,489,866,818,528
  5. Step 5: Solve for x
    x = 145,105,489,866,818,528/322,055,999.40
  6. Step 6: Final answer
    x = 450,559,809.90

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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.