Home / 917,743,015,707-1,266,489,299,073.80-500,605,951,320.90

Finding the Fourth Proportional to 917,743,015,707, 1,266,489,299,073.80 and 500,605,951,320.90

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Solution

The fourth proportional to 917,743,015,707, 1,266,489,299,073.80 and 500,605,951,320.90 is: 690,838,360,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,015,707 : 1,266,489,299,073.80 = 500,605,951,320.90 : x
  2. Step 2: Convert to fraction form
    917,743,015,707/1,266,489,299,073.80 = 500,605,951,320.90/x
  3. Step 3: Cross multiply
    917,743,015,707x = 1,266,489,299,073.80 × 500,605,951,320.90
  4. Step 4: Simplify right side
    917,743,015,707x = 634,012,080,400,579,537,403,904
  5. Step 5: Solve for x
    x = 634,012,080,400,579,537,403,904/917,743,015,707
  6. Step 6: Final answer
    x = 690,838,360,575.44

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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.