Home / 1,013,012,231,620.30-1,397,956,879,635.90-579,464,620,703.28

Finding the Fourth Proportional to 1,013,012,231,620.30, 1,397,956,879,635.90 and 579,464,620,703.28

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Solution

The fourth proportional to 1,013,012,231,620.30, 1,397,956,879,635.90 and 579,464,620,703.28 is: 799,661,176,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,012,231,620.30 : 1,397,956,879,635.90 = 579,464,620,703.28 : x
  2. Step 2: Convert to fraction form
    1,013,012,231,620.30/1,397,956,879,635.90 = 579,464,620,703.28/x
  3. Step 3: Cross multiply
    1,013,012,231,620.30x = 1,397,956,879,635.90 × 579,464,620,703.28
  4. Step 4: Simplify right side
    1,013,012,231,620.30x = 810,066,553,017,757,696,262,144
  5. Step 5: Solve for x
    x = 810,066,553,017,757,696,262,144/1,013,012,231,620.30
  6. Step 6: Final answer
    x = 799,661,176,570.46

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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.