Home / 907,871,926.28-1,252,824,548.52-505,964,289

Finding the Fourth Proportional to 907,871,926.28, 1,252,824,548.52 and 505,964,289

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Solution

The fourth proportional to 907,871,926.28, 1,252,824,548.52 and 505,964,289 is: 698,209,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,871,926.28 : 1,252,824,548.52 = 505,964,289 : x
  2. Step 2: Convert to fraction form
    907,871,926.28/1,252,824,548.52 = 505,964,289/x
  3. Step 3: Cross multiply
    907,871,926.28x = 1,252,824,548.52 × 505,964,289
  4. Step 4: Simplify right side
    907,871,926.28x = 633,884,481,933,667,840
  5. Step 5: Solve for x
    x = 633,884,481,933,667,840/907,871,926.28
  6. Step 6: Final answer
    x = 698,209,145.57

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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.