Finding the Fourth Proportional to 412,466,953.67, 569,219,363.48 and 236,288,998.79
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Solution
The fourth proportional to 412,466,953.67, 569,219,363.48 and 236,288,998.79 is: 326,087,392.68
Step by Step Solution
- Step 1: Write the proportion equation
412,466,953.67 : 569,219,363.48 = 236,288,998.79 : x - Step 2: Convert to fraction form
412,466,953.67/569,219,363.48 = 236,288,998.79/x - Step 3: Cross multiply
412,466,953.67x = 569,219,363.48 × 236,288,998.79 - Step 4: Simplify right side
412,466,953.67x = 134,500,273,488,449,472 - Step 5: Solve for x
x = 134,500,273,488,449,472/412,466,953.67 - Step 6: Final answer
x = 326,087,392.68
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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.