Home / 400,919,076,170.82-553,282,871,986.17-229,674,104,027.46

Finding the Fourth Proportional to 400,919,076,170.82, 553,282,871,986.17 and 229,674,104,027.46

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Solution

The fourth proportional to 400,919,076,170.82, 553,282,871,986.17 and 229,674,104,027.46 is: 316,958,597,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,919,076,170.82 : 553,282,871,986.17 = 229,674,104,027.46 : x
  2. Step 2: Convert to fraction form
    400,919,076,170.82/553,282,871,986.17 = 229,674,104,027.46/x
  3. Step 3: Cross multiply
    400,919,076,170.82x = 553,282,871,986.17 × 229,674,104,027.46
  4. Step 4: Simplify right side
    400,919,076,170.82x = 127,074,747,897,163,445,960,704
  5. Step 5: Solve for x
    x = 127,074,747,897,163,445,960,704/400,919,076,170.82
  6. Step 6: Final answer
    x = 316,958,597,008.79

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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.