Finding the Fourth Proportional to 493,144,347.41, 739,751,031.99 and 198,039,419.31
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Solution
The fourth proportional to 493,144,347.41, 739,751,031.99 and 198,039,419.31 is: 297,072,988.02
Step by Step Solution
- Step 1: Write the proportion equation
493,144,347.41 : 739,751,031.99 = 198,039,419.31 : x - Step 2: Convert to fraction form
493,144,347.41/739,751,031.99 = 198,039,419.31/x - Step 3: Cross multiply
493,144,347.41x = 739,751,031.99 × 198,039,419.31 - Step 4: Simplify right side
493,144,347.41x = 146,499,864,809,272,832 - Step 5: Solve for x
x = 146,499,864,809,272,832/493,144,347.41 - Step 6: Final answer
x = 297,072,988.02
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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.