Finding the Fourth Proportional to 806,639,317.60, 1,208,951,206.80 and 590,976,623.20
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Solution
The fourth proportional to 806,639,317.60, 1,208,951,206.80 and 590,976,623.20 is: 885,726,601.99
Step by Step Solution
- Step 1: Write the proportion equation
806,639,317.60 : 1,208,951,206.80 = 590,976,623.20 : x - Step 2: Convert to fraction form
806,639,317.60/1,208,951,206.80 = 590,976,623.20/x - Step 3: Cross multiply
806,639,317.60x = 1,208,951,206.80 × 590,976,623.20 - Step 4: Simplify right side
806,639,317.60x = 714,461,901,808,228,864 - Step 5: Solve for x
x = 714,461,901,808,228,864/806,639,317.60 - Step 6: Final answer
x = 885,726,601.99
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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.