Home / 1,290,604,521,301.20-1,781,190,415,716.30-734,544,846,026.80

Finding the Fourth Proportional to 1,290,604,521,301.20, 1,781,190,415,716.30 and 734,544,846,026.80

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Solution

The fourth proportional to 1,290,604,521,301.20, 1,781,190,415,716.30 and 734,544,846,026.80 is: 1,013,760,774,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,604,521,301.20 : 1,781,190,415,716.30 = 734,544,846,026.80 : x
  2. Step 2: Convert to fraction form
    1,290,604,521,301.20/1,781,190,415,716.30 = 734,544,846,026.80/x
  3. Step 3: Cross multiply
    1,290,604,521,301.20x = 1,781,190,415,716.30 × 734,544,846,026.80
  4. Step 4: Simplify right side
    1,290,604,521,301.20x = 1,308,364,239,656,741,553,307,648
  5. Step 5: Solve for x
    x = 1,308,364,239,656,741,553,307,648/1,290,604,521,301.20
  6. Step 6: Final answer
    x = 1,013,760,774,941.06

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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.