Home / 490,131,021.60-735,196,532.40-183,383,276.40

Finding the Fourth Proportional to 490,131,021.60, 735,196,532.40 and 183,383,276.40

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Solution

The fourth proportional to 490,131,021.60, 735,196,532.40 and 183,383,276.40 is: 275,074,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,131,021.60 : 735,196,532.40 = 183,383,276.40 : x
  2. Step 2: Convert to fraction form
    490,131,021.60/735,196,532.40 = 183,383,276.40/x
  3. Step 3: Cross multiply
    490,131,021.60x = 735,196,532.40 × 183,383,276.40
  4. Step 4: Simplify right side
    490,131,021.60x = 134,822,748,909,430,752
  5. Step 5: Solve for x
    x = 134,822,748,909,430,752/490,131,021.60
  6. Step 6: Final answer
    x = 275,074,914.60

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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.