Home / 352,417,828.40-528,626,742.60-214,668,321.20

Finding the Fourth Proportional to 352,417,828.40, 528,626,742.60 and 214,668,321.20

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Solution

The fourth proportional to 352,417,828.40, 528,626,742.60 and 214,668,321.20 is: 322,002,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,417,828.40 : 528,626,742.60 = 214,668,321.20 : x
  2. Step 2: Convert to fraction form
    352,417,828.40/528,626,742.60 = 214,668,321.20/x
  3. Step 3: Cross multiply
    352,417,828.40x = 528,626,742.60 × 214,668,321.20
  4. Step 4: Simplify right side
    352,417,828.40x = 113,479,415,375,366,528
  5. Step 5: Solve for x
    x = 113,479,415,375,366,528/352,417,828.40
  6. Step 6: Final answer
    x = 322,002,481.80

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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.