Finding the Fourth Proportional to 5,277,893,750.64, 7,283,293,825.32 and 2,931,201,460.08
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Solution
The fourth proportional to 5,277,893,750.64, 7,283,293,825.32 and 2,931,201,460.08 is: 4,044,947,189.85
Step by Step Solution
- Step 1: Write the proportion equation
5,277,893,750.64 : 7,283,293,825.32 = 2,931,201,460.08 : x - Step 2: Convert to fraction form
5,277,893,750.64/7,283,293,825.32 = 2,931,201,460.08/x - Step 3: Cross multiply
5,277,893,750.64x = 7,283,293,825.32 × 2,931,201,460.08 - Step 4: Simplify right side
5,277,893,750.64x = 21,348,801,494,969,630,720 - Step 5: Solve for x
x = 21,348,801,494,969,630,720/5,277,893,750.64 - Step 6: Final answer
x = 4,044,947,189.85
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1.5x scale
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.