Finding the Fourth Proportional to 806,701,151.80, 1,210,051,727.70 and 788,785,247.80
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Solution
The fourth proportional to 806,701,151.80, 1,210,051,727.70 and 788,785,247.80 is: 1,183,177,871.70
Step by Step Solution
- Step 1: Write the proportion equation
806,701,151.80 : 1,210,051,727.70 = 788,785,247.80 : x - Step 2: Convert to fraction form
806,701,151.80/1,210,051,727.70 = 788,785,247.80/x - Step 3: Cross multiply
806,701,151.80x = 1,210,051,727.70 × 788,785,247.80 - Step 4: Simplify right side
806,701,151.80x = 954,470,951,884,662,656 - Step 5: Solve for x
x = 954,470,951,884,662,656/806,701,151.80 - Step 6: Final answer
x = 1,183,177,871.70
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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.