Home / 290,305,053.60-434,953,695.60-272,165,200.80

Finding the Fourth Proportional to 290,305,053.60, 434,953,695.60 and 272,165,200.80

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Solution

The fourth proportional to 290,305,053.60, 434,953,695.60 and 272,165,200.80 is: 407,775,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,305,053.60 : 434,953,695.60 = 272,165,200.80 : x
  2. Step 2: Convert to fraction form
    290,305,053.60/434,953,695.60 = 272,165,200.80/x
  3. Step 3: Cross multiply
    290,305,053.60x = 434,953,695.60 × 272,165,200.80
  4. Step 4: Simplify right side
    290,305,053.60x = 118,379,259,901,676,096
  5. Step 5: Solve for x
    x = 118,379,259,901,676,096/290,305,053.60
  6. Step 6: Final answer
    x = 407,775,401.89

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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.