Home / 374,396,919,554.28-516,668,739,796.78-203,118,845,717.64

Finding the Fourth Proportional to 374,396,919,554.28, 516,668,739,796.78 and 203,118,845,717.64

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Solution

The fourth proportional to 374,396,919,554.28, 516,668,739,796.78 and 203,118,845,717.64 is: 280,304,544,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,396,919,554.28 : 516,668,739,796.78 = 203,118,845,717.64 : x
  2. Step 2: Convert to fraction form
    374,396,919,554.28/516,668,739,796.78 = 203,118,845,717.64/x
  3. Step 3: Cross multiply
    374,396,919,554.28x = 516,668,739,796.78 × 203,118,845,717.64
  4. Step 4: Simplify right side
    374,396,919,554.28x = 104,945,158,045,909,649,457,152
  5. Step 5: Solve for x
    x = 104,945,158,045,909,649,457,152/374,396,919,554.28
  6. Step 6: Final answer
    x = 280,304,544,628.32

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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.