Home / 394,686,685.94-544,667,637.52-218,474,681.39

Finding the Fourth Proportional to 394,686,685.94, 544,667,637.52 and 218,474,681.39

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Solution

The fourth proportional to 394,686,685.94, 544,667,637.52 and 218,474,681.39 is: 301,495,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,686,685.94 : 544,667,637.52 = 218,474,681.39 : x
  2. Step 2: Convert to fraction form
    394,686,685.94/544,667,637.52 = 218,474,681.39/x
  3. Step 3: Cross multiply
    394,686,685.94x = 544,667,637.52 × 218,474,681.39
  4. Step 4: Simplify right side
    394,686,685.94x = 118,996,088,570,218,256
  5. Step 5: Solve for x
    x = 118,996,088,570,218,256/394,686,685.94
  6. Step 6: Final answer
    x = 301,495,066.37

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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.