Finding the Fourth Proportional to 6,418,689,032.95, 8,857,801,285.84 and 3,560,831,320.11
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Solution
The fourth proportional to 6,418,689,032.95, 8,857,801,285.84 and 3,560,831,320.11 is: 4,913,953,002.55
Step by Step Solution
- Step 1: Write the proportion equation
6,418,689,032.95 : 8,857,801,285.84 = 3,560,831,320.11 : x - Step 2: Convert to fraction form
6,418,689,032.95/8,857,801,285.84 = 3,560,831,320.11/x - Step 3: Cross multiply
6,418,689,032.95x = 8,857,801,285.84 × 3,560,831,320.11 - Step 4: Simplify right side
6,418,689,032.95x = 31,541,136,245,929,705,472 - Step 5: Solve for x
x = 31,541,136,245,929,705,472/6,418,689,032.95 - Step 6: Final answer
x = 4,913,953,002.55
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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.