Finding the Fourth Proportional to 860,878,648.08, 1,291,309,462.08 and 394,407,756
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Solution
The fourth proportional to 860,878,648.08, 1,291,309,462.08 and 394,407,756 is: 591,607,735.16
Step by Step Solution
- Step 1: Write the proportion equation
860,878,648.08 : 1,291,309,462.08 = 394,407,756 : x - Step 2: Convert to fraction form
860,878,648.08/1,291,309,462.08 = 394,407,756/x - Step 3: Cross multiply
860,878,648.08x = 1,291,309,462.08 × 394,407,756 - Step 4: Simplify right side
860,878,648.08x = 509,302,467,240,539,840 - Step 5: Solve for x
x = 509,302,467,240,539,840/860,878,648.08 - Step 6: Final answer
x = 591,607,735.16
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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.