Finding the Fourth Proportional to 272,484,543.24, 376,520,545.34 and 194,031,894.84
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Solution
The fourth proportional to 272,484,543.24, 376,520,545.34 and 194,031,894.84 is: 268,114,271.69
Step by Step Solution
- Step 1: Write the proportion equation
272,484,543.24 : 376,520,545.34 = 194,031,894.84 : x - Step 2: Convert to fraction form
272,484,543.24/376,520,545.34 = 194,031,894.84/x - Step 3: Cross multiply
272,484,543.24x = 376,520,545.34 × 194,031,894.84 - Step 4: Simplify right side
272,484,543.24x = 73,056,994,858,510,336 - Step 5: Solve for x
x = 73,056,994,858,510,336/272,484,543.24 - Step 6: Final answer
x = 268,114,271.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.