Home / 374,396,919,626.40-516,668,739,896.16-203,118,845,789.76

Finding the Fourth Proportional to 374,396,919,626.40, 516,668,739,896.16 and 203,118,845,789.76

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Solution

The fourth proportional to 374,396,919,626.40, 516,668,739,896.16 and 203,118,845,789.76 is: 280,304,544,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,396,919,626.40 : 516,668,739,896.16 = 203,118,845,789.76 : x
  2. Step 2: Convert to fraction form
    374,396,919,626.40/516,668,739,896.16 = 203,118,845,789.76/x
  3. Step 3: Cross multiply
    374,396,919,626.40x = 516,668,739,896.16 × 203,118,845,789.76
  4. Step 4: Simplify right side
    374,396,919,626.40x = 104,945,158,103,357,739,499,520
  5. Step 5: Solve for x
    x = 104,945,158,103,357,739,499,520/374,396,919,626.40
  6. Step 6: Final answer
    x = 280,304,544,727.77

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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.