Home / 1,174,282,933.68-1,620,516,853.64-691,495,947.72

Finding the Fourth Proportional to 1,174,282,933.68, 1,620,516,853.64 and 691,495,947.72

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Solution

The fourth proportional to 1,174,282,933.68, 1,620,516,853.64 and 691,495,947.72 is: 954,268,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,282,933.68 : 1,620,516,853.64 = 691,495,947.72 : x
  2. Step 2: Convert to fraction form
    1,174,282,933.68/1,620,516,853.64 = 691,495,947.72/x
  3. Step 3: Cross multiply
    1,174,282,933.68x = 1,620,516,853.64 × 691,495,947.72
  4. Step 4: Simplify right side
    1,174,282,933.68x = 1,120,580,837,505,753,088
  5. Step 5: Solve for x
    x = 1,120,580,837,505,753,088/1,174,282,933.68
  6. Step 6: Final answer
    x = 954,268,179.64

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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.