Finding the Fourth Proportional to 352,406,789.34, 486,366,208.18 and 213,178,547.48
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Solution
The fourth proportional to 352,406,789.34, 486,366,208.18 and 213,178,547.48 is: 294,213,519.54
Step by Step Solution
- Step 1: Write the proportion equation
352,406,789.34 : 486,366,208.18 = 213,178,547.48 : x - Step 2: Convert to fraction form
352,406,789.34/486,366,208.18 = 213,178,547.48/x - Step 3: Cross multiply
352,406,789.34x = 486,366,208.18 × 213,178,547.48 - Step 4: Simplify right side
352,406,789.34x = 103,682,841,803,167,696 - Step 5: Solve for x
x = 103,682,841,803,167,696/352,406,789.34 - Step 6: Final answer
x = 294,213,519.54
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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.