Finding the Fourth Proportional to 1,494,397,386.12, 2,239,651,743.84 and 608,049,802.56
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Solution
The fourth proportional to 1,494,397,386.12, 2,239,651,743.84 and 608,049,802.56 is: 911,283,580.45
Step by Step Solution
- Step 1: Write the proportion equation
1,494,397,386.12 : 2,239,651,743.84 = 608,049,802.56 : x - Step 2: Convert to fraction form
1,494,397,386.12/2,239,651,743.84 = 608,049,802.56/x - Step 3: Cross multiply
1,494,397,386.12x = 2,239,651,743.84 × 608,049,802.56 - Step 4: Simplify right side
1,494,397,386.12x = 1,361,819,800,645,071,616 - Step 5: Solve for x
x = 1,361,819,800,645,071,616/1,494,397,386.12 - Step 6: Final answer
x = 911,283,580.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.