Finding the Fourth Proportional to 518,545,771.04, 715,549,905.04 and 292,472,296.56
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Solution
The fourth proportional to 518,545,771.04, 715,549,905.04 and 292,472,296.56 is: 403,587,370.14
Step by Step Solution
- Step 1: Write the proportion equation
518,545,771.04 : 715,549,905.04 = 292,472,296.56 : x - Step 2: Convert to fraction form
518,545,771.04/715,549,905.04 = 292,472,296.56/x - Step 3: Cross multiply
518,545,771.04x = 715,549,905.04 × 292,472,296.56 - Step 4: Simplify right side
518,545,771.04x = 209,278,524,030,338,720 - Step 5: Solve for x
x = 209,278,524,030,338,720/518,545,771.04 - Step 6: Final answer
x = 403,587,370.14
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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.