Finding the Fourth Proportional to 19,689,597,850.95, 27,171,646,361.15 and 10,778,926,603.95
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Solution
The fourth proportional to 19,689,597,850.95, 27,171,646,361.15 and 10,778,926,603.95 is: 14,874,919,439.82
Step by Step Solution
- Step 1: Write the proportion equation
19,689,597,850.95 : 27,171,646,361.15 = 10,778,926,603.95 : x - Step 2: Convert to fraction form
19,689,597,850.95/27,171,646,361.15 = 10,778,926,603.95/x - Step 3: Cross multiply
19,689,597,850.95x = 27,171,646,361.15 × 10,778,926,603.95 - Step 4: Simplify right side
19,689,597,850.95x = 292,881,181,835,267,080,192 - Step 5: Solve for x
x = 292,881,181,835,267,080,192/19,689,597,850.95 - Step 6: Final answer
x = 14,874,919,439.82
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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.