Home / 402,930,619.20-604,395,928.80-322,309,051.20

Finding the Fourth Proportional to 402,930,619.20, 604,395,928.80 and 322,309,051.20

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Solution

The fourth proportional to 402,930,619.20, 604,395,928.80 and 322,309,051.20 is: 483,463,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,930,619.20 : 604,395,928.80 = 322,309,051.20 : x
  2. Step 2: Convert to fraction form
    402,930,619.20/604,395,928.80 = 322,309,051.20/x
  3. Step 3: Cross multiply
    402,930,619.20x = 604,395,928.80 × 322,309,051.20
  4. Step 4: Simplify right side
    402,930,619.20x = 194,802,278,360,670,720
  5. Step 5: Solve for x
    x = 194,802,278,360,670,720/402,930,619.20
  6. Step 6: Final answer
    x = 483,463,576.80

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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.