Finding the Fourth Proportional to 1,352,067,092,412.70, 1,865,897,334,578.70 and 743,099,989,516.08
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Solution
The fourth proportional to 1,352,067,092,412.70, 1,865,897,334,578.70 and 743,099,989,516.08 is: 1,025,502,578,640.00
Step by Step Solution
- Step 1: Write the proportion equation
1,352,067,092,412.70 : 1,865,897,334,578.70 = 743,099,989,516.08 : x - Step 2: Convert to fraction form
1,352,067,092,412.70/1,865,897,334,578.70 = 743,099,989,516.08/x - Step 3: Cross multiply
1,352,067,092,412.70x = 1,865,897,334,578.70 × 743,099,989,516.08 - Step 4: Simplify right side
1,352,067,092,412.70x = 1,386,548,289,763,513,578,029,056 - Step 5: Solve for x
x = 1,386,548,289,763,513,578,029,056/1,352,067,092,412.70 - Step 6: Final answer
x = 1,025,502,578,640.00
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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.