Finding the Fourth Proportional to 476,739,944.24, 714,724,012.64 and 149,046,780.62
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Solution
The fourth proportional to 476,739,944.24, 714,724,012.64 and 149,046,780.62 is: 223,449,522.95
Step by Step Solution
- Step 1: Write the proportion equation
476,739,944.24 : 714,724,012.64 = 149,046,780.62 : x - Step 2: Convert to fraction form
476,739,944.24/714,724,012.64 = 149,046,780.62/x - Step 3: Cross multiply
476,739,944.24x = 714,724,012.64 × 149,046,780.62 - Step 4: Simplify right side
476,739,944.24x = 106,527,313,111,481,344 - Step 5: Solve for x
x = 106,527,313,111,481,344/476,739,944.24 - Step 6: Final answer
x = 223,449,522.95
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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.