Finding the Fourth Proportional to 372,430,490.96, 513,970,006.92 and 207,418,034
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Solution
The fourth proportional to 372,430,490.96, 513,970,006.92 and 207,418,034 is: 286,245,758.49
Step by Step Solution
- Step 1: Write the proportion equation
372,430,490.96 : 513,970,006.92 = 207,418,034 : x - Step 2: Convert to fraction form
372,430,490.96/513,970,006.92 = 207,418,034/x - Step 3: Cross multiply
372,430,490.96x = 513,970,006.92 × 207,418,034 - Step 4: Simplify right side
372,430,490.96x = 106,606,648,370,312,800 - Step 5: Solve for x
x = 106,606,648,370,312,800/372,430,490.96 - Step 6: Final answer
x = 286,245,758.49
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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.