Home / 657,816,325,301.55-986,028,076,584.80-221,267,639,157.76

Finding the Fourth Proportional to 657,816,325,301.55, 986,028,076,584.80 and 221,267,639,157.76

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Solution

The fourth proportional to 657,816,325,301.55, 986,028,076,584.80 and 221,267,639,157.76 is: 331,667,209,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,816,325,301.55 : 986,028,076,584.80 = 221,267,639,157.76 : x
  2. Step 2: Convert to fraction form
    657,816,325,301.55/986,028,076,584.80 = 221,267,639,157.76/x
  3. Step 3: Cross multiply
    657,816,325,301.55x = 986,028,076,584.80 × 221,267,639,157.76
  4. Step 4: Simplify right side
    657,816,325,301.55x = 218,176,104,649,185,688,551,424
  5. Step 5: Solve for x
    x = 218,176,104,649,185,688,551,424/657,816,325,301.55
  6. Step 6: Final answer
    x = 331,667,209,002.71

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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.