Home / 209,743,344,003.60-314,615,016,005.40-208,274,015,926.80

Finding the Fourth Proportional to 209,743,344,003.60, 314,615,016,005.40 and 208,274,015,926.80

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Solution

The fourth proportional to 209,743,344,003.60, 314,615,016,005.40 and 208,274,015,926.80 is: 312,411,023,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,743,344,003.60 : 314,615,016,005.40 = 208,274,015,926.80 : x
  2. Step 2: Convert to fraction form
    209,743,344,003.60/314,615,016,005.40 = 208,274,015,926.80/x
  3. Step 3: Cross multiply
    209,743,344,003.60x = 314,615,016,005.40 × 208,274,015,926.80
  4. Step 4: Simplify right side
    209,743,344,003.60x = 65,526,132,854,319,118,024,704
  5. Step 5: Solve for x
    x = 65,526,132,854,319,118,024,704/209,743,344,003.60
  6. Step 6: Final answer
    x = 312,411,023,890.20

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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.