Home / 917,743,015,464.10-1,266,489,298,738.60-500,605,951,077.75

Finding the Fourth Proportional to 917,743,015,464.10, 1,266,489,298,738.60 and 500,605,951,077.75

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Solution

The fourth proportional to 917,743,015,464.10, 1,266,489,298,738.60 and 500,605,951,077.75 is: 690,838,360,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,015,464.10 : 1,266,489,298,738.60 = 500,605,951,077.75 : x
  2. Step 2: Convert to fraction form
    917,743,015,464.10/1,266,489,298,738.60 = 500,605,951,077.75/x
  3. Step 3: Cross multiply
    917,743,015,464.10x = 1,266,489,298,738.60 × 500,605,951,077.75
  4. Step 4: Simplify right side
    917,743,015,464.10x = 634,012,079,924,829,499,686,912
  5. Step 5: Solve for x
    x = 634,012,079,924,829,499,686,912/917,743,015,464.10
  6. Step 6: Final answer
    x = 690,838,360,239.89

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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.