Home / 609,038,009.69-840,450,707.19-344,714,327.60

Finding the Fourth Proportional to 609,038,009.69, 840,450,707.19 and 344,714,327.60

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Solution

The fourth proportional to 609,038,009.69, 840,450,707.19 and 344,714,327.60 is: 475,693,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,038,009.69 : 840,450,707.19 = 344,714,327.60 : x
  2. Step 2: Convert to fraction form
    609,038,009.69/840,450,707.19 = 344,714,327.60/x
  3. Step 3: Cross multiply
    609,038,009.69x = 840,450,707.19 × 344,714,327.60
  4. Step 4: Simplify right side
    609,038,009.69x = 289,715,400,405,743,104
  5. Step 5: Solve for x
    x = 289,715,400,405,743,104/609,038,009.69
  6. Step 6: Final answer
    x = 475,693,463.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.