Finding the Fourth Proportional to 453,935,959.34, 626,412,269.06 and 252,982,140.69
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Solution
The fourth proportional to 453,935,959.34, 626,412,269.06 and 252,982,140.69 is: 349,104,567.55
Step by Step Solution
- Step 1: Write the proportion equation
453,935,959.34 : 626,412,269.06 = 252,982,140.69 : x - Step 2: Convert to fraction form
453,935,959.34/626,412,269.06 = 252,982,140.69/x - Step 3: Cross multiply
453,935,959.34x = 626,412,269.06 × 252,982,140.69 - Step 4: Simplify right side
453,935,959.34x = 158,471,116,780,014,144 - Step 5: Solve for x
x = 158,471,116,780,014,144/453,935,959.34 - Step 6: Final answer
x = 349,104,567.55
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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.