Finding the Fourth Proportional to 1,675,674,808.08, 2,312,431,207.80 and 971,235,386.76
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Solution
The fourth proportional to 1,675,674,808.08, 2,312,431,207.80 and 971,235,386.76 is: 1,340,304,817.88
Step by Step Solution
- Step 1: Write the proportion equation
1,675,674,808.08 : 2,312,431,207.80 = 971,235,386.76 : x - Step 2: Convert to fraction form
1,675,674,808.08/2,312,431,207.80 = 971,235,386.76/x - Step 3: Cross multiply
1,675,674,808.08x = 2,312,431,207.80 × 971,235,386.76 - Step 4: Simplify right side
1,675,674,808.08x = 2,245,915,018,463,527,168 - Step 5: Solve for x
x = 2,245,915,018,463,527,168/1,675,674,808.08 - Step 6: Final answer
x = 1,340,304,817.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.