Finding the Fourth Proportional to 26,489,103,980.13, 39,717,651,944.30 and 10,555,891,642.98
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Solution
The fourth proportional to 26,489,103,980.13, 39,717,651,944.30 and 10,555,891,642.98 is: 15,827,459,869.99
Step by Step Solution
- Step 1: Write the proportion equation
26,489,103,980.13 : 39,717,651,944.30 = 10,555,891,642.98 : x - Step 2: Convert to fraction form
26,489,103,980.13/39,717,651,944.30 = 10,555,891,642.98/x - Step 3: Cross multiply
26,489,103,980.13x = 39,717,651,944.30 × 10,555,891,642.98 - Step 4: Simplify right side
26,489,103,980.13x = 419,255,230,237,571,874,816 - Step 5: Solve for x
x = 419,255,230,237,571,874,816/26,489,103,980.13 - Step 6: Final answer
x = 15,827,459,869.99
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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.