Finding the Fourth Proportional to 2,790,918,065.40, 3,851,293,393.26 and 1,537,784,794.68
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Solution
The fourth proportional to 2,790,918,065.40, 3,851,293,393.26 and 1,537,784,794.68 is: 2,122,047,398.46
Step by Step Solution
- Step 1: Write the proportion equation
2,790,918,065.40 : 3,851,293,393.26 = 1,537,784,794.68 : x - Step 2: Convert to fraction form
2,790,918,065.40/3,851,293,393.26 = 1,537,784,794.68/x - Step 3: Cross multiply
2,790,918,065.40x = 3,851,293,393.26 × 1,537,784,794.68 - Step 4: Simplify right side
2,790,918,065.40x = 5,922,460,420,006,770,688 - Step 5: Solve for x
x = 5,922,460,420,006,770,688/2,790,918,065.40 - Step 6: Final answer
x = 2,122,047,398.46
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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.