Finding the Fourth Proportional to 6,989,599,027.32, 9,645,582,764.21 and 3,817,781,992.32
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Solution
The fourth proportional to 6,989,599,027.32, 9,645,582,764.21 and 3,817,781,992.32 is: 5,268,504,250.20
Step by Step Solution
- Step 1: Write the proportion equation
6,989,599,027.32 : 9,645,582,764.21 = 3,817,781,992.32 : x - Step 2: Convert to fraction form
6,989,599,027.32/9,645,582,764.21 = 3,817,781,992.32/x - Step 3: Cross multiply
6,989,599,027.32x = 9,645,582,764.21 × 3,817,781,992.32 - Step 4: Simplify right side
6,989,599,027.32x = 36,824,732,182,614,020,096 - Step 5: Solve for x
x = 36,824,732,182,614,020,096/6,989,599,027.32 - Step 6: Final answer
x = 5,268,504,250.20
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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.