Finding the Fourth Proportional to 9,864,925,086.60, 14,797,387,629.90 and 6,726,819,125.70
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Solution
The fourth proportional to 9,864,925,086.60, 14,797,387,629.90 and 6,726,819,125.70 is: 10,090,228,688.55
Step by Step Solution
- Step 1: Write the proportion equation
9,864,925,086.60 : 14,797,387,629.90 = 6,726,819,125.70 : x - Step 2: Convert to fraction form
9,864,925,086.60/14,797,387,629.90 = 6,726,819,125.70/x - Step 3: Cross multiply
9,864,925,086.60x = 14,797,387,629.90 × 6,726,819,125.70 - Step 4: Simplify right side
9,864,925,086.60x = 99,539,350,119,207,911,424 - Step 5: Solve for x
x = 99,539,350,119,207,911,424/9,864,925,086.60 - Step 6: Final answer
x = 10,090,228,688.55
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Double scale
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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.