Home / 773,308,365.82-1,067,133,998.55-438,773,688.19

Finding the Fourth Proportional to 773,308,365.82, 1,067,133,998.55 and 438,773,688.19

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Solution

The fourth proportional to 773,308,365.82, 1,067,133,998.55 and 438,773,688.19 is: 605,489,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,308,365.82 : 1,067,133,998.55 = 438,773,688.19 : x
  2. Step 2: Convert to fraction form
    773,308,365.82/1,067,133,998.55 = 438,773,688.19/x
  3. Step 3: Cross multiply
    773,308,365.82x = 1,067,133,998.55 × 438,773,688.19
  4. Step 4: Simplify right side
    773,308,365.82x = 468,230,320,333,612,928
  5. Step 5: Solve for x
    x = 468,230,320,333,612,928/773,308,365.82
  6. Step 6: Final answer
    x = 605,489,790.40

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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.