Finding the Fourth Proportional to 18,017,658,943.68, 27,026,488,415.52 and 12,125,041,135.68
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Solution
The fourth proportional to 18,017,658,943.68, 27,026,488,415.52 and 12,125,041,135.68 is: 18,187,561,703.52
Step by Step Solution
- Step 1: Write the proportion equation
18,017,658,943.68 : 27,026,488,415.52 = 12,125,041,135.68 : x - Step 2: Convert to fraction form
18,017,658,943.68/27,026,488,415.52 = 12,125,041,135.68/x - Step 3: Cross multiply
18,017,658,943.68x = 27,026,488,415.52 × 12,125,041,135.68 - Step 4: Simplify right side
18,017,658,943.68x = 327,697,283,791,158,968,320 - Step 5: Solve for x
x = 327,697,283,791,158,968,320/18,017,658,943.68 - Step 6: Final answer
x = 18,187,561,703.52
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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.