Finding the Fourth Proportional to 264,434,634.18, 396,653,641.53 and 77,687,813.36
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Solution
The fourth proportional to 264,434,634.18, 396,653,641.53 and 77,687,813.36 is: 116,532,216.61
Step by Step Solution
- Step 1: Write the proportion equation
264,434,634.18 : 396,653,641.53 = 77,687,813.36 : x - Step 2: Convert to fraction form
264,434,634.18/396,653,641.53 = 77,687,813.36/x - Step 3: Cross multiply
264,434,634.18x = 396,653,641.53 × 77,687,813.36 - Step 4: Simplify right side
264,434,634.18x = 30,815,154,069,763,716 - Step 5: Solve for x
x = 30,815,154,069,763,716/264,434,634.18 - Step 6: Final answer
x = 116,532,216.61
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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.