Finding the Fourth Proportional to 377,005,225.18, 520,271,998.68 and 207,478,981.48
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Solution
The fourth proportional to 377,005,225.18, 520,271,998.68 and 207,478,981.48 is: 286,323,629.41
Step by Step Solution
- Step 1: Write the proportion equation
377,005,225.18 : 520,271,998.68 = 207,478,981.48 : x - Step 2: Convert to fraction form
377,005,225.18/520,271,998.68 = 207,478,981.48/x - Step 3: Cross multiply
377,005,225.18x = 520,271,998.68 × 207,478,981.48 - Step 4: Simplify right side
377,005,225.18x = 107,945,504,378,690,304 - Step 5: Solve for x
x = 107,945,504,378,690,304/377,005,225.18 - Step 6: Final answer
x = 286,323,629.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.