Home / 1,290,604,521,301.30-1,781,190,415,716.30-734,544,846,026.79

Finding the Fourth Proportional to 1,290,604,521,301.30, 1,781,190,415,716.30 and 734,544,846,026.79

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Solution

The fourth proportional to 1,290,604,521,301.30, 1,781,190,415,716.30 and 734,544,846,026.79 is: 1,013,760,774,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,604,521,301.30 : 1,781,190,415,716.30 = 734,544,846,026.79 : x
  2. Step 2: Convert to fraction form
    1,290,604,521,301.30/1,781,190,415,716.30 = 734,544,846,026.79/x
  3. Step 3: Cross multiply
    1,290,604,521,301.30x = 1,781,190,415,716.30 × 734,544,846,026.79
  4. Step 4: Simplify right side
    1,290,604,521,301.30x = 1,308,364,239,656,723,836,567,552
  5. Step 5: Solve for x
    x = 1,308,364,239,656,723,836,567,552/1,290,604,521,301.30
  6. Step 6: Final answer
    x = 1,013,760,774,940.97

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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.