Home / 917,743,015,708.60-1,266,489,299,076.10-500,605,951,322.50

Finding the Fourth Proportional to 917,743,015,708.60, 1,266,489,299,076.10 and 500,605,951,322.50

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Solution

The fourth proportional to 917,743,015,708.60, 1,266,489,299,076.10 and 500,605,951,322.50 is: 690,838,360,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,015,708.60 : 1,266,489,299,076.10 = 500,605,951,322.50 : x
  2. Step 2: Convert to fraction form
    917,743,015,708.60/1,266,489,299,076.10 = 500,605,951,322.50/x
  3. Step 3: Cross multiply
    917,743,015,708.60x = 1,266,489,299,076.10 × 500,605,951,322.50
  4. Step 4: Simplify right side
    917,743,015,708.60x = 634,012,080,403,757,276,332,032
  5. Step 5: Solve for x
    x = 634,012,080,403,757,276,332,032/917,743,015,708.60
  6. Step 6: Final answer
    x = 690,838,360,577.69

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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.