Home / 917,743,015,462.30-1,266,489,298,736.40-500,605,951,076.05

Finding the Fourth Proportional to 917,743,015,462.30, 1,266,489,298,736.40 and 500,605,951,076.05

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Solution

The fourth proportional to 917,743,015,462.30, 1,266,489,298,736.40 and 500,605,951,076.05 is: 690,838,360,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,015,462.30 : 1,266,489,298,736.40 = 500,605,951,076.05 : x
  2. Step 2: Convert to fraction form
    917,743,015,462.30/1,266,489,298,736.40 = 500,605,951,076.05/x
  3. Step 3: Cross multiply
    917,743,015,462.30x = 1,266,489,298,736.40 × 500,605,951,076.05
  4. Step 4: Simplify right side
    917,743,015,462.30x = 634,012,079,921,575,122,436,096
  5. Step 5: Solve for x
    x = 634,012,079,921,575,122,436,096/917,743,015,462.30
  6. Step 6: Final answer
    x = 690,838,360,237.70

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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.