Home / 917,743,015,463.72-1,266,489,298,738.10-500,605,951,077.45

Finding the Fourth Proportional to 917,743,015,463.72, 1,266,489,298,738.10 and 500,605,951,077.45

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Solution

The fourth proportional to 917,743,015,463.72, 1,266,489,298,738.10 and 500,605,951,077.45 is: 690,838,360,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,015,463.72 : 1,266,489,298,738.10 = 500,605,951,077.45 : x
  2. Step 2: Convert to fraction form
    917,743,015,463.72/1,266,489,298,738.10 = 500,605,951,077.45/x
  3. Step 3: Cross multiply
    917,743,015,463.72x = 1,266,489,298,738.10 × 500,605,951,077.45
  4. Step 4: Simplify right side
    917,743,015,463.72x = 634,012,079,924,199,347,453,952
  5. Step 5: Solve for x
    x = 634,012,079,924,199,347,453,952/917,743,015,463.72
  6. Step 6: Final answer
    x = 690,838,360,239.49

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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.