Finding the Fourth Proportional to 1,702,618,563.92, 2,349,413,959.56 and 960,018,374.48
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Solution
The fourth proportional to 1,702,618,563.92, 2,349,413,959.56 and 960,018,374.48 is: 1,324,712,779.62
Step by Step Solution
- Step 1: Write the proportion equation
1,702,618,563.92 : 2,349,413,959.56 = 960,018,374.48 : x - Step 2: Convert to fraction form
1,702,618,563.92/2,349,413,959.56 = 960,018,374.48/x - Step 3: Cross multiply
1,702,618,563.92x = 2,349,413,959.56 × 960,018,374.48 - Step 4: Simplify right side
1,702,618,563.92x = 2,255,480,570,437,411,584 - Step 5: Solve for x
x = 2,255,480,570,437,411,584/1,702,618,563.92 - Step 6: Final answer
x = 1,324,712,779.62
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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.