Finding the Fourth Proportional to 460,030,269.75, 634,839,261.18 and 251,184,917.70
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Solution
The fourth proportional to 460,030,269.75, 634,839,261.18 and 251,184,917.70 is: 346,633,815.33
Step by Step Solution
- Step 1: Write the proportion equation
460,030,269.75 : 634,839,261.18 = 251,184,917.70 : x - Step 2: Convert to fraction form
460,030,269.75/634,839,261.18 = 251,184,917.70/x - Step 3: Cross multiply
460,030,269.75x = 634,839,261.18 × 251,184,917.70 - Step 4: Simplify right side
460,030,269.75x = 159,462,047,571,285,152 - Step 5: Solve for x
x = 159,462,047,571,285,152/460,030,269.75 - Step 6: Final answer
x = 346,633,815.33
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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.