Home / 545,011,585.86-817,477,849.83-212,956,177.44

Finding the Fourth Proportional to 545,011,585.86, 817,477,849.83 and 212,956,177.44

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Solution

The fourth proportional to 545,011,585.86, 817,477,849.83 and 212,956,177.44 is: 319,418,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,011,585.86 : 817,477,849.83 = 212,956,177.44 : x
  2. Step 2: Convert to fraction form
    545,011,585.86/817,477,849.83 = 212,956,177.44/x
  3. Step 3: Cross multiply
    545,011,585.86x = 817,477,849.83 × 212,956,177.44
  4. Step 4: Simplify right side
    545,011,585.86x = 174,086,958,041,667,168
  5. Step 5: Solve for x
    x = 174,086,958,041,667,168/545,011,585.86
  6. Step 6: Final answer
    x = 319,418,820.73

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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.