Finding the Fourth Proportional to 479,957,630.65, 719,936,446.14 and 134,911,257.62
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Solution
The fourth proportional to 479,957,630.65, 719,936,446.14 and 134,911,257.62 is: 202,366,886.47
Step by Step Solution
- Step 1: Write the proportion equation
479,957,630.65 : 719,936,446.14 = 134,911,257.62 : x - Step 2: Convert to fraction form
479,957,630.65/719,936,446.14 = 134,911,257.62/x - Step 3: Cross multiply
479,957,630.65x = 719,936,446.14 × 134,911,257.62 - Step 4: Simplify right side
479,957,630.65x = 97,127,531,351,621,120 - Step 5: Solve for x
x = 97,127,531,351,621,120/479,957,630.65 - Step 6: Final answer
x = 202,366,886.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.