Home / 6,243,282,686.52-9,361,184,108.72-1,987,135,628.58

Finding the Fourth Proportional to 6,243,282,686.52, 9,361,184,108.72 and 1,987,135,628.58

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Solution

The fourth proportional to 6,243,282,686.52, 9,361,184,108.72 and 1,987,135,628.58 is: 2,979,513,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243,282,686.52 : 9,361,184,108.72 = 1,987,135,628.58 : x
  2. Step 2: Convert to fraction form
    6,243,282,686.52/9,361,184,108.72 = 1,987,135,628.58/x
  3. Step 3: Cross multiply
    6,243,282,686.52x = 9,361,184,108.72 × 1,987,135,628.58
  4. Step 4: Simplify right side
    6,243,282,686.52x = 18,601,942,468,124,487,680
  5. Step 5: Solve for x
    x = 18,601,942,468,124,487,680/6,243,282,686.52
  6. Step 6: Final answer
    x = 2,979,513,086.65

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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.