Home / 728,681,189.50-1,093,021,742.73-204,127,953.96

Finding the Fourth Proportional to 728,681,189.50, 1,093,021,742.73 and 204,127,953.96

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Solution

The fourth proportional to 728,681,189.50, 1,093,021,742.73 and 204,127,953.96 is: 306,191,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,681,189.50 : 1,093,021,742.73 = 204,127,953.96 : x
  2. Step 2: Convert to fraction form
    728,681,189.50/1,093,021,742.73 = 204,127,953.96/x
  3. Step 3: Cross multiply
    728,681,189.50x = 1,093,021,742.73 × 204,127,953.96
  4. Step 4: Simplify right side
    728,681,189.50x = 223,116,291,977,268,416
  5. Step 5: Solve for x
    x = 223,116,291,977,268,416/728,681,189.50
  6. Step 6: Final answer
    x = 306,191,919.31

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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.