Finding the Fourth Proportional to 18,017,658,920.68, 27,026,488,381.02 and 12,125,041,112.68
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Solution
The fourth proportional to 18,017,658,920.68, 27,026,488,381.02 and 12,125,041,112.68 is: 18,187,561,669.02
Step by Step Solution
- Step 1: Write the proportion equation
18,017,658,920.68 : 27,026,488,381.02 = 12,125,041,112.68 : x - Step 2: Convert to fraction form
18,017,658,920.68/27,026,488,381.02 = 12,125,041,112.68/x - Step 3: Cross multiply
18,017,658,920.68x = 27,026,488,381.02 × 12,125,041,112.68 - Step 4: Simplify right side
18,017,658,920.68x = 327,697,282,751,235,817,472 - Step 5: Solve for x
x = 327,697,282,751,235,817,472/18,017,658,920.68 - Step 6: Final answer
x = 18,187,561,669.02
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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.