Finding the Fourth Proportional to 8,221,234,340.10, 11,343,358,877.25 and 4,652,941,244.82
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Solution
The fourth proportional to 8,221,234,340.10, 11,343,358,877.25 and 4,652,941,244.82 is: 6,419,958,389.62
Step by Step Solution
- Step 1: Write the proportion equation
8,221,234,340.10 : 11,343,358,877.25 = 4,652,941,244.82 : x - Step 2: Convert to fraction form
8,221,234,340.10/11,343,358,877.25 = 4,652,941,244.82/x - Step 3: Cross multiply
8,221,234,340.10x = 11,343,358,877.25 × 4,652,941,244.82 - Step 4: Simplify right side
8,221,234,340.10x = 52,779,982,374,748,774,400 - Step 5: Solve for x
x = 52,779,982,374,748,774,400/8,221,234,340.10 - Step 6: Final answer
x = 6,419,958,389.62
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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.