Finding the Fourth Proportional to 1,070,535,269.07, 1,605,767,568.84 and 440,245,514.07
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Solution
The fourth proportional to 1,070,535,269.07, 1,605,767,568.84 and 440,245,514.07 is: 660,353,740.08
Step by Step Solution
- Step 1: Write the proportion equation
1,070,535,269.07 : 1,605,767,568.84 = 440,245,514.07 : x - Step 2: Convert to fraction form
1,070,535,269.07/1,605,767,568.84 = 440,245,514.07/x - Step 3: Cross multiply
1,070,535,269.07x = 1,605,767,568.84 × 440,245,514.07 - Step 4: Simplify right side
1,070,535,269.07x = 706,931,968,820,899,840 - Step 5: Solve for x
x = 706,931,968,820,899,840/1,070,535,269.07 - Step 6: Final answer
x = 660,353,740.08
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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.