Finding the Fourth Proportional to 490,752,014.40, 735,848,085.60 and 184,054,132.80
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Solution
The fourth proportional to 490,752,014.40, 735,848,085.60 and 184,054,132.80 is: 275,976,210.58
Step by Step Solution
- Step 1: Write the proportion equation
490,752,014.40 : 735,848,085.60 = 184,054,132.80 : x - Step 2: Convert to fraction form
490,752,014.40/735,848,085.60 = 184,054,132.80/x - Step 3: Cross multiply
490,752,014.40x = 735,848,085.60 × 184,054,132.80 - Step 4: Simplify right side
490,752,014.40x = 135,435,881,267,648,176 - Step 5: Solve for x
x = 135,435,881,267,648,176/490,752,014.40 - Step 6: Final answer
x = 275,976,210.58
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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.