Finding the Fourth Proportional to 18,017,658,911.68, 27,026,488,367.52 and 12,125,041,103.68
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Solution
The fourth proportional to 18,017,658,911.68, 27,026,488,367.52 and 12,125,041,103.68 is: 18,187,561,655.52
Step by Step Solution
- Step 1: Write the proportion equation
18,017,658,911.68 : 27,026,488,367.52 = 12,125,041,103.68 : x - Step 2: Convert to fraction form
18,017,658,911.68/27,026,488,367.52 = 12,125,041,103.68/x - Step 3: Cross multiply
18,017,658,911.68x = 27,026,488,367.52 × 12,125,041,103.68 - Step 4: Simplify right side
18,017,658,911.68x = 327,697,282,344,309,424,128 - Step 5: Solve for x
x = 327,697,282,344,309,424,128/18,017,658,911.68 - Step 6: Final answer
x = 18,187,561,655.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.