Finding the Fourth Proportional to 7,691,846,621.80, 11,549,863,167.90 and 4,426,673,117.80
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Solution
The fourth proportional to 7,691,846,621.80, 11,549,863,167.90 and 4,426,673,117.80 is: 6,646,969,357.75
Step by Step Solution
- Step 1: Write the proportion equation
7,691,846,621.80 : 11,549,863,167.90 = 4,426,673,117.80 : x - Step 2: Convert to fraction form
7,691,846,621.80/11,549,863,167.90 = 4,426,673,117.80/x - Step 3: Cross multiply
7,691,846,621.80x = 11,549,863,167.90 × 4,426,673,117.80 - Step 4: Simplify right side
7,691,846,621.80x = 51,127,468,799,611,281,408 - Step 5: Solve for x
x = 51,127,468,799,611,281,408/7,691,846,621.80 - Step 6: Final answer
x = 6,646,969,357.75
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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.