Home / 407,592,112.80-562,400,529.60-240,381,072

Finding the Fourth Proportional to 407,592,112.80, 562,400,529.60 and 240,381,072

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Solution

The fourth proportional to 407,592,112.80, 562,400,529.60 and 240,381,072 is: 331,680,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,592,112.80 : 562,400,529.60 = 240,381,072 : x
  2. Step 2: Convert to fraction form
    407,592,112.80/562,400,529.60 = 240,381,072/x
  3. Step 3: Cross multiply
    407,592,112.80x = 562,400,529.60 × 240,381,072
  4. Step 4: Simplify right side
    407,592,112.80x = 135,190,442,198,615,744
  5. Step 5: Solve for x
    x = 135,190,442,198,615,744/407,592,112.80
  6. Step 6: Final answer
    x = 331,680,712.05

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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.