Finding the Fourth Proportional to 2,361,630,663.90, 3,542,459,237.73 and 787,733,650.44
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Solution
The fourth proportional to 2,361,630,663.90, 3,542,459,237.73 and 787,733,650.44 is: 1,181,604,892.55
Step by Step Solution
- Step 1: Write the proportion equation
2,361,630,663.90 : 3,542,459,237.73 = 787,733,650.44 : x - Step 2: Convert to fraction form
2,361,630,663.90/3,542,459,237.73 = 787,733,650.44/x - Step 3: Cross multiply
2,361,630,663.90x = 3,542,459,237.73 × 787,733,650.44 - Step 4: Simplify right side
2,361,630,663.90x = 2,790,514,346,871,952,896 - Step 5: Solve for x
x = 2,790,514,346,871,952,896/2,361,630,663.90 - Step 6: Final answer
x = 1,181,604,892.55
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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.