Finding the Fourth Proportional to 384,029,853.80, 529,831,463.58 and 250,006,743.09
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Solution
The fourth proportional to 384,029,853.80, 529,831,463.58 and 250,006,743.09 is: 344,924,847.08
Step by Step Solution
- Step 1: Write the proportion equation
384,029,853.80 : 529,831,463.58 = 250,006,743.09 : x - Step 2: Convert to fraction form
384,029,853.80/529,831,463.58 = 250,006,743.09/x - Step 3: Cross multiply
384,029,853.80x = 529,831,463.58 × 250,006,743.09 - Step 4: Simplify right side
384,029,853.80x = 132,461,438,596,243,744 - Step 5: Solve for x
x = 132,461,438,596,243,744/384,029,853.80 - Step 6: Final answer
x = 344,924,847.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.