Finding the Fourth Proportional to 4,502,639,189.37, 6,210,018,987.29 and 3,958,316,290.62
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Solution
The fourth proportional to 4,502,639,189.37, 6,210,018,987.29 and 3,958,316,290.62 is: 5,459,291,381.93
Step by Step Solution
- Step 1: Write the proportion equation
4,502,639,189.37 : 6,210,018,987.29 = 3,958,316,290.62 : x - Step 2: Convert to fraction form
4,502,639,189.37/6,210,018,987.29 = 3,958,316,290.62/x - Step 3: Cross multiply
4,502,639,189.37x = 6,210,018,987.29 × 3,958,316,290.62 - Step 4: Simplify right side
4,502,639,189.37x = 24,581,219,322,466,541,568 - Step 5: Solve for x
x = 24,581,219,322,466,541,568/4,502,639,189.37 - Step 6: Final answer
x = 5,459,291,381.93
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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.