Finding the Fourth Proportional to 1,235,484,054.36, 1,859,905,427.81 and 1,125,526,402.08
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Solution
The fourth proportional to 1,235,484,054.36, 1,859,905,427.81 and 1,125,526,402.08 is: 1,694,374,489.88
Step by Step Solution
- Step 1: Write the proportion equation
1,235,484,054.36 : 1,859,905,427.81 = 1,125,526,402.08 : x - Step 2: Convert to fraction form
1,235,484,054.36/1,859,905,427.81 = 1,125,526,402.08/x - Step 3: Cross multiply
1,235,484,054.36x = 1,859,905,427.81 × 1,125,526,402.08 - Step 4: Simplify right side
1,235,484,054.36x = 2,093,372,664,366,424,832 - Step 5: Solve for x
x = 2,093,372,664,366,424,832/1,235,484,054.36 - Step 6: Final answer
x = 1,694,374,489.88
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.