Finding the Fourth Proportional to 804,819,269.80, 1,207,228,904.70 and 774,208,268.20
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Solution
The fourth proportional to 804,819,269.80, 1,207,228,904.70 and 774,208,268.20 is: 1,161,312,402.30
Step by Step Solution
- Step 1: Write the proportion equation
804,819,269.80 : 1,207,228,904.70 = 774,208,268.20 : x - Step 2: Convert to fraction form
804,819,269.80/1,207,228,904.70 = 774,208,268.20/x - Step 3: Cross multiply
804,819,269.80x = 1,207,228,904.70 × 774,208,268.20 - Step 4: Simplify right side
804,819,269.80x = 934,646,599,628,769,920 - Step 5: Solve for x
x = 934,646,599,628,769,920/804,819,269.80 - Step 6: Final answer
x = 1,161,312,402.30
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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.