Finding the Fourth Proportional to 1,915,080,798.96, 2,866,291,733.52 and 1,742,989,574.88
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Solution
The fourth proportional to 1,915,080,798.96, 2,866,291,733.52 and 1,742,989,574.88 is: 2,608,723,669.94
Step by Step Solution
- Step 1: Write the proportion equation
1,915,080,798.96 : 2,866,291,733.52 = 1,742,989,574.88 : x - Step 2: Convert to fraction form
1,915,080,798.96/2,866,291,733.52 = 1,742,989,574.88/x - Step 3: Cross multiply
1,915,080,798.96x = 2,866,291,733.52 × 1,742,989,574.88 - Step 4: Simplify right side
1,915,080,798.96x = 4,995,916,610,090,083,328 - Step 5: Solve for x
x = 4,995,916,610,090,083,328/1,915,080,798.96 - Step 6: Final answer
x = 2,608,723,669.94
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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.