Finding the Fourth Proportional to 68,752,680,679.93, 103,128,996,746.82 and 18,386,805,445.62
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Solution
The fourth proportional to 68,752,680,679.93, 103,128,996,746.82 and 18,386,805,445.62 is: 27,580,201,676.98
Step by Step Solution
- Step 1: Write the proportion equation
68,752,680,679.93 : 103,128,996,746.82 = 18,386,805,445.62 : x - Step 2: Convert to fraction form
68,752,680,679.93/103,128,996,746.82 = 18,386,805,445.62/x - Step 3: Cross multiply
68,752,680,679.93x = 103,128,996,746.82 × 18,386,805,445.62 - Step 4: Simplify right side
68,752,680,679.93x = 1,896,212,798,985,757,261,824 - Step 5: Solve for x
x = 1,896,212,798,985,757,261,824/68,752,680,679.93 - Step 6: Final answer
x = 27,580,201,676.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.