Finding the Fourth Proportional to 1,526,192,356.95, 2,106,602,181.14 and 891,284,112.09
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Solution
The fourth proportional to 1,526,192,356.95, 2,106,602,181.14 and 891,284,112.09 is: 1,230,238,800.50
Step by Step Solution
- Step 1: Write the proportion equation
1,526,192,356.95 : 2,106,602,181.14 = 891,284,112.09 : x - Step 2: Convert to fraction form
1,526,192,356.95/2,106,602,181.14 = 891,284,112.09/x - Step 3: Cross multiply
1,526,192,356.95x = 2,106,602,181.14 × 891,284,112.09 - Step 4: Simplify right side
1,526,192,356.95x = 1,877,581,054,539,765,760 - Step 5: Solve for x
x = 1,877,581,054,539,765,760/1,526,192,356.95 - Step 6: Final answer
x = 1,230,238,800.50
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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.