Finding the Fourth Proportional to 841,229,965.08, 1,260,717,019.62 and 654,709,131.36
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Solution
The fourth proportional to 841,229,965.08, 1,260,717,019.62 and 654,709,131.36 is: 981,185,857.70
Step by Step Solution
- Step 1: Write the proportion equation
841,229,965.08 : 1,260,717,019.62 = 654,709,131.36 : x - Step 2: Convert to fraction form
841,229,965.08/1,260,717,019.62 = 654,709,131.36/x - Step 3: Cross multiply
841,229,965.08x = 1,260,717,019.62 × 654,709,131.36 - Step 4: Simplify right side
841,229,965.08x = 825,402,944,806,178,176 - Step 5: Solve for x
x = 825,402,944,806,178,176/841,229,965.08 - Step 6: Final answer
x = 981,185,857.70
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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.