Home / 404,539,279.20-606,808,918.80-361,457,128.80

Finding the Fourth Proportional to 404,539,279.20, 606,808,918.80 and 361,457,128.80

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Solution

The fourth proportional to 404,539,279.20, 606,808,918.80 and 361,457,128.80 is: 542,185,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,539,279.20 : 606,808,918.80 = 361,457,128.80 : x
  2. Step 2: Convert to fraction form
    404,539,279.20/606,808,918.80 = 361,457,128.80/x
  3. Step 3: Cross multiply
    404,539,279.20x = 606,808,918.80 × 361,457,128.80
  4. Step 4: Simplify right side
    404,539,279.20x = 219,335,409,519,680,320
  5. Step 5: Solve for x
    x = 219,335,409,519,680,320/404,539,279.20
  6. Step 6: Final answer
    x = 542,185,693.20

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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.