Finding the Fourth Proportional to 292,655,663.83, 438,983,685.30 and 74,322,379.99
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Solution
The fourth proportional to 292,655,663.83, 438,983,685.30 and 74,322,379.99 is: 111,483,618.12
Step by Step Solution
- Step 1: Write the proportion equation
292,655,663.83 : 438,983,685.30 = 74,322,379.99 : x - Step 2: Convert to fraction form
292,655,663.83/438,983,685.30 = 74,322,379.99/x - Step 3: Cross multiply
292,655,663.83x = 438,983,685.30 × 74,322,379.99 - Step 4: Simplify right side
292,655,663.83x = 32,626,312,268,277,176 - Step 5: Solve for x
x = 32,626,312,268,277,176/292,655,663.83 - Step 6: Final answer
x = 111,483,618.12
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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.