Home / 917,743,015,459.05-1,266,489,298,731.90-500,605,951,072.80

Finding the Fourth Proportional to 917,743,015,459.05, 1,266,489,298,731.90 and 500,605,951,072.80

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Solution

The fourth proportional to 917,743,015,459.05, 1,266,489,298,731.90 and 500,605,951,072.80 is: 690,838,360,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,015,459.05 : 1,266,489,298,731.90 = 500,605,951,072.80 : x
  2. Step 2: Convert to fraction form
    917,743,015,459.05/1,266,489,298,731.90 = 500,605,951,072.80/x
  3. Step 3: Cross multiply
    917,743,015,459.05x = 1,266,489,298,731.90 × 500,605,951,072.80
  4. Step 4: Simplify right side
    917,743,015,459.05x = 634,012,079,915,206,222,807,040
  5. Step 5: Solve for x
    x = 634,012,079,915,206,222,807,040/917,743,015,459.05
  6. Step 6: Final answer
    x = 690,838,360,233.20

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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.