Finding the Fourth Proportional to 1,052,932,750.68, 1,454,560,718.16 and 840,961,279.95
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Solution
The fourth proportional to 1,052,932,750.68, 1,454,560,718.16 and 840,961,279.95 is: 1,161,735,393.38
Step by Step Solution
- Step 1: Write the proportion equation
1,052,932,750.68 : 1,454,560,718.16 = 840,961,279.95 : x - Step 2: Convert to fraction form
1,052,932,750.68/1,454,560,718.16 = 840,961,279.95/x - Step 3: Cross multiply
1,052,932,750.68x = 1,454,560,718.16 × 840,961,279.95 - Step 4: Simplify right side
1,052,932,750.68x = 1,223,229,243,308,824,832 - Step 5: Solve for x
x = 1,223,229,243,308,824,832/1,052,932,750.68 - Step 6: Final answer
x = 1,161,735,393.38
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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.