Home / 821,348,002,471.15-1,231,152,455,064.80-276,277,605,764.66

Finding the Fourth Proportional to 821,348,002,471.15, 1,231,152,455,064.80 and 276,277,605,764.66

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Solution

The fourth proportional to 821,348,002,471.15, 1,231,152,455,064.80 and 276,277,605,764.66 is: 414,123,917,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,348,002,471.15 : 1,231,152,455,064.80 = 276,277,605,764.66 : x
  2. Step 2: Convert to fraction form
    821,348,002,471.15/1,231,152,455,064.80 = 276,277,605,764.66/x
  3. Step 3: Cross multiply
    821,348,002,471.15x = 1,231,152,455,064.80 × 276,277,605,764.66
  4. Step 4: Simplify right side
    821,348,002,471.15x = 340,139,852,616,586,101,784,576
  5. Step 5: Solve for x
    x = 340,139,852,616,586,101,784,576/821,348,002,471.15
  6. Step 6: Final answer
    x = 414,123,917,746.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.