Finding the Fourth Proportional to 28,930,264,070,954, 39,896,947,154,532 and 21,114,026,433,608
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Solution
The fourth proportional to 28,930,264,070,954, 39,896,947,154,532 and 21,114,026,433,608 is: 29,117,784,572,412.71
Step by Step Solution
- Step 1: Write the proportion equation
28,930,264,070,954 : 39,896,947,154,532 = 21,114,026,433,608 : x - Step 2: Convert to fraction form
28,930,264,070,954/39,896,947,154,532 = 21,114,026,433,608/x - Step 3: Cross multiply
28,930,264,070,954x = 39,896,947,154,532 × 21,114,026,433,608 - Step 4: Simplify right side
28,930,264,070,954x = 842,385,196,841,050,170,296,631,296 - Step 5: Solve for x
x = 842,385,196,841,050,170,296,631,296/28,930,264,070,954 - Step 6: Final answer
x = 29,117,784,572,412.71
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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.