Finding the Fourth Proportional to 4,877,796,918.52, 6,731,359,746.90 and 2,763,252,862.84
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Solution
The fourth proportional to 4,877,796,918.52, 6,731,359,746.90 and 2,763,252,862.84 is: 3,813,288,950.35
Step by Step Solution
- Step 1: Write the proportion equation
4,877,796,918.52 : 6,731,359,746.90 = 2,763,252,862.84 : x - Step 2: Convert to fraction form
4,877,796,918.52/6,731,359,746.90 = 2,763,252,862.84/x - Step 3: Cross multiply
4,877,796,918.52x = 6,731,359,746.90 × 2,763,252,862.84 - Step 4: Simplify right side
4,877,796,918.52x = 18,600,449,091,403,390,976 - Step 5: Solve for x
x = 18,600,449,091,403,390,976/4,877,796,918.52 - Step 6: Final answer
x = 3,813,288,950.35
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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.