Finding the Fourth Proportional to 476,739,848.70, 714,723,869.26 and 149,046,685.09
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Solution
The fourth proportional to 476,739,848.70, 714,723,869.26 and 149,046,685.09 is: 223,449,379.69
Step by Step Solution
- Step 1: Write the proportion equation
476,739,848.70 : 714,723,869.26 = 149,046,685.09 : x - Step 2: Convert to fraction form
476,739,848.70/714,723,869.26 = 149,046,685.09/x - Step 3: Cross multiply
476,739,848.70x = 714,723,869.26 × 149,046,685.09 - Step 4: Simplify right side
476,739,848.70x = 106,527,223,465,742,144 - Step 5: Solve for x
x = 106,527,223,465,742,144/476,739,848.70 - Step 6: Final answer
x = 223,449,379.69
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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.