Finding the Fourth Proportional to 4,372,428,207.20, 6,553,372,888.76 and 2,008,326,869.03
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Solution
The fourth proportional to 4,372,428,207.20, 6,553,372,888.76 and 2,008,326,869.03 is: 3,010,069,972.92
Step by Step Solution
- Step 1: Write the proportion equation
4,372,428,207.20 : 6,553,372,888.76 = 2,008,326,869.03 : x - Step 2: Convert to fraction form
4,372,428,207.20/6,553,372,888.76 = 2,008,326,869.03/x - Step 3: Cross multiply
4,372,428,207.20x = 6,553,372,888.76 × 2,008,326,869.03 - Step 4: Simplify right side
4,372,428,207.20x = 13,161,314,855,243,866,112 - Step 5: Solve for x
x = 13,161,314,855,243,866,112/4,372,428,207.20 - Step 6: Final answer
x = 3,010,069,972.92
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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.