Finding the Fourth Proportional to 9,278,544,047.58, 12,807,088,936.74 and 6,063,937,621.92
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Solution
The fourth proportional to 9,278,544,047.58, 12,807,088,936.74 and 6,063,937,621.92 is: 8,369,997,278.94
Step by Step Solution
- Step 1: Write the proportion equation
9,278,544,047.58 : 12,807,088,936.74 = 6,063,937,621.92 : x - Step 2: Convert to fraction form
9,278,544,047.58/12,807,088,936.74 = 6,063,937,621.92/x - Step 3: Cross multiply
9,278,544,047.58x = 12,807,088,936.74 × 6,063,937,621.92 - Step 4: Simplify right side
9,278,544,047.58x = 77,661,388,430,773,092,352 - Step 5: Solve for x
x = 77,661,388,430,773,092,352/9,278,544,047.58 - Step 6: Final answer
x = 8,369,997,278.94
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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.