Finding the Fourth Proportional to 413,757,456.44, 571,530,326.48 and 306,683,840.87
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Solution
The fourth proportional to 413,757,456.44, 571,530,326.48 and 306,683,840.87 is: 423,627,690.50
Step by Step Solution
- Step 1: Write the proportion equation
413,757,456.44 : 571,530,326.48 = 306,683,840.87 : x - Step 2: Convert to fraction form
413,757,456.44/571,530,326.48 = 306,683,840.87/x - Step 3: Cross multiply
413,757,456.44x = 571,530,326.48 × 306,683,840.87 - Step 4: Simplify right side
413,757,456.44x = 175,279,115,698,571,488 - Step 5: Solve for x
x = 175,279,115,698,571,488/413,757,456.44 - Step 6: Final answer
x = 423,627,690.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.