Finding the Fourth Proportional to 484,834,351,278.38, 727,252,226,852.95 and 197,992,407,763.98
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Solution
The fourth proportional to 484,834,351,278.38, 727,252,226,852.95 and 197,992,407,763.98 is: 296,988,897,479.45
Step by Step Solution
- Step 1: Write the proportion equation
484,834,351,278.38 : 727,252,226,852.95 = 197,992,407,763.98 : x - Step 2: Convert to fraction form
484,834,351,278.38/727,252,226,852.95 = 197,992,407,763.98/x - Step 3: Cross multiply
484,834,351,278.38x = 727,252,226,852.95 × 197,992,407,763.98 - Step 4: Simplify right side
484,834,351,278.38x = 143,990,419,446,331,760,181,248 - Step 5: Solve for x
x = 143,990,419,446,331,760,181,248/484,834,351,278.38 - Step 6: Final answer
x = 296,988,897,479.45
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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.