Home / 728,681,188.50-1,093,021,741.23-204,127,952.96

Finding the Fourth Proportional to 728,681,188.50, 1,093,021,741.23 and 204,127,952.96

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Solution

The fourth proportional to 728,681,188.50, 1,093,021,741.23 and 204,127,952.96 is: 306,191,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,681,188.50 : 1,093,021,741.23 = 204,127,952.96 : x
  2. Step 2: Convert to fraction form
    728,681,188.50/1,093,021,741.23 = 204,127,952.96/x
  3. Step 3: Cross multiply
    728,681,188.50x = 1,093,021,741.23 × 204,127,952.96
  4. Step 4: Simplify right side
    728,681,188.50x = 223,116,290,578,054,752
  5. Step 5: Solve for x
    x = 223,116,290,578,054,752/728,681,188.50
  6. Step 6: Final answer
    x = 306,191,917.81

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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.