Home / 374,396,919,625.40-516,668,739,894.78-203,118,845,788.76

Finding the Fourth Proportional to 374,396,919,625.40, 516,668,739,894.78 and 203,118,845,788.76

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Solution

The fourth proportional to 374,396,919,625.40, 516,668,739,894.78 and 203,118,845,788.76 is: 280,304,544,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,396,919,625.40 : 516,668,739,894.78 = 203,118,845,788.76 : x
  2. Step 2: Convert to fraction form
    374,396,919,625.40/516,668,739,894.78 = 203,118,845,788.76/x
  3. Step 3: Cross multiply
    374,396,919,625.40x = 516,668,739,894.78 × 203,118,845,788.76
  4. Step 4: Simplify right side
    374,396,919,625.40x = 104,945,158,102,560,788,185,088
  5. Step 5: Solve for x
    x = 104,945,158,102,560,788,185,088/374,396,919,625.40
  6. Step 6: Final answer
    x = 280,304,544,726.39

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Double scale
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1.5x scale

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.