Home / 907,871,928.28-1,252,824,551.28-505,964,291

Finding the Fourth Proportional to 907,871,928.28, 1,252,824,551.28 and 505,964,291

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Solution

The fourth proportional to 907,871,928.28, 1,252,824,551.28 and 505,964,291 is: 698,209,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,871,928.28 : 1,252,824,551.28 = 505,964,291 : x
  2. Step 2: Convert to fraction form
    907,871,928.28/1,252,824,551.28 = 505,964,291/x
  3. Step 3: Cross multiply
    907,871,928.28x = 1,252,824,551.28 × 505,964,291
  4. Step 4: Simplify right side
    907,871,928.28x = 633,884,485,835,778,304
  5. Step 5: Solve for x
    x = 633,884,485,835,778,304/907,871,928.28
  6. Step 6: Final answer
    x = 698,209,148.33

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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.