Finding the Fourth Proportional to 1,677,747,728.52, 2,315,310,021.36 and 925,062,360.48
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Solution
The fourth proportional to 1,677,747,728.52, 2,315,310,021.36 and 925,062,360.48 is: 1,276,596,068.17
Step by Step Solution
- Step 1: Write the proportion equation
1,677,747,728.52 : 2,315,310,021.36 = 925,062,360.48 : x - Step 2: Convert to fraction form
1,677,747,728.52/2,315,310,021.36 = 925,062,360.48/x - Step 3: Cross multiply
1,677,747,728.52x = 2,315,310,021.36 × 925,062,360.48 - Step 4: Simplify right side
1,677,747,728.52x = 2,141,806,153,602,280,960 - Step 5: Solve for x
x = 2,141,806,153,602,280,960/1,677,747,728.52 - Step 6: Final answer
x = 1,276,596,068.17
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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.