Finding the Fourth Proportional to 1,668,855,004.24, 2,501,378,329.94 and 672,238,319.20
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Solution
The fourth proportional to 1,668,855,004.24, 2,501,378,329.94 and 672,238,319.20 is: 1,007,590,449.70
Step by Step Solution
- Step 1: Write the proportion equation
1,668,855,004.24 : 2,501,378,329.94 = 672,238,319.20 : x - Step 2: Convert to fraction form
1,668,855,004.24/2,501,378,329.94 = 672,238,319.20/x - Step 3: Cross multiply
1,668,855,004.24x = 2,501,378,329.94 × 672,238,319.20 - Step 4: Simplify right side
1,668,855,004.24x = 1,681,522,364,202,168,832 - Step 5: Solve for x
x = 1,681,522,364,202,168,832/1,668,855,004.24 - Step 6: Final answer
x = 1,007,590,449.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.