Finding the Fourth Proportional to 530,830,906.41, 732,860,884.53 and 471,930,885.19
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Solution
The fourth proportional to 530,830,906.41, 732,860,884.53 and 471,930,885.19 is: 651,543,988.45
Step by Step Solution
- Step 1: Write the proportion equation
530,830,906.41 : 732,860,884.53 = 471,930,885.19 : x - Step 2: Convert to fraction form
530,830,906.41/732,860,884.53 = 471,930,885.19/x - Step 3: Cross multiply
530,830,906.41x = 732,860,884.53 × 471,930,885.19 - Step 4: Simplify right side
530,830,906.41x = 345,859,685,957,369,280 - Step 5: Solve for x
x = 345,859,685,957,369,280/530,830,906.41 - Step 6: Final answer
x = 651,543,988.45
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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.