Finding the Fourth Proportional to 998,051,318.72, 1,496,758,593.12 and 342,844,352.84
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Solution
The fourth proportional to 998,051,318.72, 1,496,758,593.12 and 342,844,352.84 is: 514,157,159.65
Step by Step Solution
- Step 1: Write the proportion equation
998,051,318.72 : 1,496,758,593.12 = 342,844,352.84 : x - Step 2: Convert to fraction form
998,051,318.72/1,496,758,593.12 = 342,844,352.84/x - Step 3: Cross multiply
998,051,318.72x = 1,496,758,593.12 × 342,844,352.84 - Step 4: Simplify right side
998,051,318.72x = 513,155,231,215,935,168 - Step 5: Solve for x
x = 513,155,231,215,935,168/998,051,318.72 - Step 6: Final answer
x = 514,157,159.65
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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.