Home / 539,939,471,746.80-809,342,262,123.30-181,667,062,645.64

Finding the Fourth Proportional to 539,939,471,746.80, 809,342,262,123.30 and 181,667,062,645.64

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Solution

The fourth proportional to 539,939,471,746.80, 809,342,262,123.30 and 181,667,062,645.64 is: 272,309,840,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,939,471,746.80 : 809,342,262,123.30 = 181,667,062,645.64 : x
  2. Step 2: Convert to fraction form
    539,939,471,746.80/809,342,262,123.30 = 181,667,062,645.64/x
  3. Step 3: Cross multiply
    539,939,471,746.80x = 809,342,262,123.30 × 181,667,062,645.64
  4. Step 4: Simplify right side
    539,939,471,746.80x = 147,030,831,434,917,549,703,168
  5. Step 5: Solve for x
    x = 147,030,831,434,917,549,703,168/539,939,471,746.80
  6. Step 6: Final answer
    x = 272,309,840,507.21

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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.