Finding the Fourth Proportional to 6,989,599,028.32, 9,645,582,765.58 and 3,817,781,993.32
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Solution
The fourth proportional to 6,989,599,028.32, 9,645,582,765.58 and 3,817,781,993.32 is: 5,268,504,251.58
Step by Step Solution
- Step 1: Write the proportion equation
6,989,599,028.32 : 9,645,582,765.58 = 3,817,781,993.32 : x - Step 2: Convert to fraction form
6,989,599,028.32/9,645,582,765.58 = 3,817,781,993.32/x - Step 3: Cross multiply
6,989,599,028.32x = 9,645,582,765.58 × 3,817,781,993.32 - Step 4: Simplify right side
6,989,599,028.32x = 36,824,732,197,509,050,368 - Step 5: Solve for x
x = 36,824,732,197,509,050,368/6,989,599,028.32 - Step 6: Final answer
x = 5,268,504,251.58
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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.