Home / 1,284,917,608.08-1,773,042,381.72-727,881,359.76

Finding the Fourth Proportional to 1,284,917,608.08, 1,773,042,381.72 and 727,881,359.76

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Solution

The fourth proportional to 1,284,917,608.08, 1,773,042,381.72 and 727,881,359.76 is: 1,004,394,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,917,608.08 : 1,773,042,381.72 = 727,881,359.76 : x
  2. Step 2: Convert to fraction form
    1,284,917,608.08/1,773,042,381.72 = 727,881,359.76/x
  3. Step 3: Cross multiply
    1,284,917,608.08x = 1,773,042,381.72 × 727,881,359.76
  4. Step 4: Simplify right side
    1,284,917,608.08x = 1,290,564,499,718,462,464
  5. Step 5: Solve for x
    x = 1,290,564,499,718,462,464/1,284,917,608.08
  6. Step 6: Final answer
    x = 1,004,394,749.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.