Finding the Fourth Proportional to 908,135,587.80, 1,362,203,381.70 and 793,344,331.80
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Solution
The fourth proportional to 908,135,587.80, 1,362,203,381.70 and 793,344,331.80 is: 1,190,016,497.70
Step by Step Solution
- Step 1: Write the proportion equation
908,135,587.80 : 1,362,203,381.70 = 793,344,331.80 : x - Step 2: Convert to fraction form
908,135,587.80/1,362,203,381.70 = 793,344,331.80/x - Step 3: Cross multiply
908,135,587.80x = 1,362,203,381.70 × 793,344,331.80 - Step 4: Simplify right side
908,135,587.80x = 1,080,696,331,630,486,784 - Step 5: Solve for x
x = 1,080,696,331,630,486,784/908,135,587.80 - Step 6: Final answer
x = 1,190,016,497.70
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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.