Finding the Fourth Proportional to 514,169,722.04, 709,771,445.40 and 347,132,252.21
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Solution
The fourth proportional to 514,169,722.04, 709,771,445.40 and 347,132,252.21 is: 479,189,166.21
Step by Step Solution
- Step 1: Write the proportion equation
514,169,722.04 : 709,771,445.40 = 347,132,252.21 : x - Step 2: Convert to fraction form
514,169,722.04/709,771,445.40 = 347,132,252.21/x - Step 3: Cross multiply
514,169,722.04x = 709,771,445.40 × 347,132,252.21 - Step 4: Simplify right side
514,169,722.04x = 246,384,560,392,500,160 - Step 5: Solve for x
x = 246,384,560,392,500,160/514,169,722.04 - Step 6: Final answer
x = 479,189,166.21
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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.