Finding the Fourth Proportional to 479,488,854.24, 661,330,007.36 and 412,620,518.82
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Solution
The fourth proportional to 479,488,854.24, 661,330,007.36 and 412,620,518.82 is: 569,102,552.30
Step by Step Solution
- Step 1: Write the proportion equation
479,488,854.24 : 661,330,007.36 = 412,620,518.82 : x - Step 2: Convert to fraction form
479,488,854.24/661,330,007.36 = 412,620,518.82/x - Step 3: Cross multiply
479,488,854.24x = 661,330,007.36 × 412,620,518.82 - Step 4: Simplify right side
479,488,854.24x = 272,878,330,748,117,632 - Step 5: Solve for x
x = 272,878,330,748,117,632/479,488,854.24 - Step 6: Final answer
x = 569,102,552.30
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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.