Finding the Fourth Proportional to 489,936,564.67, 675,658,306.52 and 357,567,893.95
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Solution
The fourth proportional to 489,936,564.67, 675,658,306.52 and 357,567,893.95 is: 493,112,241.69
Step by Step Solution
- Step 1: Write the proportion equation
489,936,564.67 : 675,658,306.52 = 357,567,893.95 : x - Step 2: Convert to fraction form
489,936,564.67/675,658,306.52 = 357,567,893.95/x - Step 3: Cross multiply
489,936,564.67x = 675,658,306.52 × 357,567,893.95 - Step 4: Simplify right side
489,936,564.67x = 241,593,717,691,384,736 - Step 5: Solve for x
x = 241,593,717,691,384,736/489,936,564.67 - Step 6: Final answer
x = 493,112,241.69
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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.