Finding the Fourth Proportional to 260,296,447.39, 390,474,298.99 and 94,378,088.82
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Solution
The fourth proportional to 260,296,447.39, 390,474,298.99 and 94,378,088.82 is: 141,577,875.70
Step by Step Solution
- Step 1: Write the proportion equation
260,296,447.39 : 390,474,298.99 = 94,378,088.82 : x - Step 2: Convert to fraction form
260,296,447.39/390,474,298.99 = 94,378,088.82/x - Step 3: Cross multiply
260,296,447.39x = 390,474,298.99 × 94,378,088.82 - Step 4: Simplify right side
260,296,447.39x = 36,852,218,073,587,704 - Step 5: Solve for x
x = 36,852,218,073,587,704/260,296,447.39 - Step 6: Final answer
x = 141,577,875.70
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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.