Finding the Fourth Proportional to 6,418,689,031.95, 8,857,801,284.46 and 3,560,831,319.11
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Solution
The fourth proportional to 6,418,689,031.95, 8,857,801,284.46 and 3,560,831,319.11 is: 4,913,953,001.17
Step by Step Solution
- Step 1: Write the proportion equation
6,418,689,031.95 : 8,857,801,284.46 = 3,560,831,319.11 : x - Step 2: Convert to fraction form
6,418,689,031.95/8,857,801,284.46 = 3,560,831,319.11/x - Step 3: Cross multiply
6,418,689,031.95x = 8,857,801,284.46 × 3,560,831,319.11 - Step 4: Simplify right side
6,418,689,031.95x = 31,541,136,232,104,763,392 - Step 5: Solve for x
x = 31,541,136,232,104,763,392/6,418,689,031.95 - Step 6: Final answer
x = 4,913,953,001.17
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1.5x scale
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.