Home / 372,605,441.82-514,199,020.78-205,347,725.40

Finding the Fourth Proportional to 372,605,441.82, 514,199,020.78 and 205,347,725.40

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Solution

The fourth proportional to 372,605,441.82, 514,199,020.78 and 205,347,725.40 is: 283,381,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,605,441.82 : 514,199,020.78 = 205,347,725.40 : x
  2. Step 2: Convert to fraction form
    372,605,441.82/514,199,020.78 = 205,347,725.40/x
  3. Step 3: Cross multiply
    372,605,441.82x = 514,199,020.78 × 205,347,725.40
  4. Step 4: Simplify right side
    372,605,441.82x = 105,589,599,320,080,336
  5. Step 5: Solve for x
    x = 105,589,599,320,080,336/372,605,441.82
  6. Step 6: Final answer
    x = 283,381,796.05

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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.