Finding the Fourth Proportional to 10,486,047,589.74, 14,474,194,216.02 and 8,346,578,721.84
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Solution
The fourth proportional to 10,486,047,589.74, 14,474,194,216.02 and 8,346,578,721.84 is: 11,521,023,572.07
Step by Step Solution
- Step 1: Write the proportion equation
10,486,047,589.74 : 14,474,194,216.02 = 8,346,578,721.84 : x - Step 2: Convert to fraction form
10,486,047,589.74/14,474,194,216.02 = 8,346,578,721.84/x - Step 3: Cross multiply
10,486,047,589.74x = 14,474,194,216.02 × 8,346,578,721.84 - Step 4: Simplify right side
10,486,047,589.74x = 120,810,001,459,212,140,544 - Step 5: Solve for x
x = 120,810,001,459,212,140,544/10,486,047,589.74 - Step 6: Final answer
x = 11,521,023,572.07
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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.