Finding the Fourth Proportional to 6,634,588,578.42, 9,951,920,071.09 and 2,212,995,867.03
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Solution
The fourth proportional to 6,634,588,578.42, 9,951,920,071.09 and 2,212,995,867.03 is: 3,319,506,209.92
Step by Step Solution
- Step 1: Write the proportion equation
6,634,588,578.42 : 9,951,920,071.09 = 2,212,995,867.03 : x - Step 2: Convert to fraction form
6,634,588,578.42/9,951,920,071.09 = 2,212,995,867.03/x - Step 3: Cross multiply
6,634,588,578.42x = 9,951,920,071.09 × 2,212,995,867.03 - Step 4: Simplify right side
6,634,588,578.42x = 22,023,557,986,335,076,352 - Step 5: Solve for x
x = 22,023,557,986,335,076,352/6,634,588,578.42 - Step 6: Final answer
x = 3,319,506,209.92
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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.