Finding the Fourth Proportional to 395,528,875.47, 593,235,561.65 and 115,334,496.81
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Solution
The fourth proportional to 395,528,875.47, 593,235,561.65 and 115,334,496.81 is: 172,984,905.11
Step by Step Solution
- Step 1: Write the proportion equation
395,528,875.47 : 593,235,561.65 = 115,334,496.81 : x - Step 2: Convert to fraction form
395,528,875.47/593,235,561.65 = 115,334,496.81/x - Step 3: Cross multiply
395,528,875.47x = 593,235,561.65 × 115,334,496.81 - Step 4: Simplify right side
395,528,875.47x = 68,420,524,992,123,808 - Step 5: Solve for x
x = 68,420,524,992,123,808/395,528,875.47 - Step 6: Final answer
x = 172,984,905.11
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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.