Finding the Fourth Proportional to 1,907,955,052.54, 2,631,201,577.63 and 1,238,183,946.05
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Solution
The fourth proportional to 1,907,955,052.54, 2,631,201,577.63 and 1,238,183,946.05 is: 1,707,541,038.71
Step by Step Solution
- Step 1: Write the proportion equation
1,907,955,052.54 : 2,631,201,577.63 = 1,238,183,946.05 : x - Step 2: Convert to fraction form
1,907,955,052.54/2,631,201,577.63 = 1,238,183,946.05/x - Step 3: Cross multiply
1,907,955,052.54x = 2,631,201,577.63 × 1,238,183,946.05 - Step 4: Simplify right side
1,907,955,052.54x = 3,257,911,552,226,647,552 - Step 5: Solve for x
x = 3,257,911,552,226,647,552/1,907,955,052.54 - Step 6: Final answer
x = 1,707,541,038.71
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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.