Home / 399,290,412.80-598,935,619.20-184,299,564.80

Finding the Fourth Proportional to 399,290,412.80, 598,935,619.20 and 184,299,564.80

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Solution

The fourth proportional to 399,290,412.80, 598,935,619.20 and 184,299,564.80 is: 276,449,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,290,412.80 : 598,935,619.20 = 184,299,564.80 : x
  2. Step 2: Convert to fraction form
    399,290,412.80/598,935,619.20 = 184,299,564.80/x
  3. Step 3: Cross multiply
    399,290,412.80x = 598,935,619.20 × 184,299,564.80
  4. Step 4: Simplify right side
    399,290,412.80x = 110,383,573,961,778,544
  5. Step 5: Solve for x
    x = 110,383,573,961,778,544/399,290,412.80
  6. Step 6: Final answer
    x = 276,449,347.20

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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.