Finding the Fourth Proportional to 2,687,825,310.84, 3,709,009,523.35 and 1,498,341,664.35
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Solution
The fourth proportional to 2,687,825,310.84, 3,709,009,523.35 and 1,498,341,664.35 is: 2,067,605,911.70
Step by Step Solution
- Step 1: Write the proportion equation
2,687,825,310.84 : 3,709,009,523.35 = 1,498,341,664.35 : x - Step 2: Convert to fraction form
2,687,825,310.84/3,709,009,523.35 = 1,498,341,664.35/x - Step 3: Cross multiply
2,687,825,310.84x = 3,709,009,523.35 × 1,498,341,664.35 - Step 4: Simplify right side
2,687,825,310.84x = 5,557,363,502,306,238,464 - Step 5: Solve for x
x = 5,557,363,502,306,238,464/2,687,825,310.84 - Step 6: Final answer
x = 2,067,605,911.70
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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.