Finding the Fourth Proportional to 355,653,246.84, 490,807,292.00 and 194,714,545.56
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Solution
The fourth proportional to 355,653,246.84, 490,807,292.00 and 194,714,545.56 is: 268,709,254.50
Step by Step Solution
- Step 1: Write the proportion equation
355,653,246.84 : 490,807,292.00 = 194,714,545.56 : x - Step 2: Convert to fraction form
355,653,246.84/490,807,292.00 = 194,714,545.56/x - Step 3: Cross multiply
355,653,246.84x = 490,807,292.00 × 194,714,545.56 - Step 4: Simplify right side
355,653,246.84x = 95,567,318,818,340,656 - Step 5: Solve for x
x = 95,567,318,818,340,656/355,653,246.84 - Step 6: Final answer
x = 268,709,254.50
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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.