Finding the Fourth Proportional to 724,257,833.68, 1,086,376,106.04 and 178,999,414.48
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Solution
The fourth proportional to 724,257,833.68, 1,086,376,106.04 and 178,999,414.48 is: 268,496,490.95
Step by Step Solution
- Step 1: Write the proportion equation
724,257,833.68 : 1,086,376,106.04 = 178,999,414.48 : x - Step 2: Convert to fraction form
724,257,833.68/1,086,376,106.04 = 178,999,414.48/x - Step 3: Cross multiply
724,257,833.68x = 1,086,376,106.04 × 178,999,414.48 - Step 4: Simplify right side
724,257,833.68x = 194,460,686,886,222,368 - Step 5: Solve for x
x = 194,460,686,886,222,368/724,257,833.68 - Step 6: Final answer
x = 268,496,490.95
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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.