Finding the Fourth Proportional to 1,589,473,871.06, 2,384,029,189.88 and 425,033,167.92
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Solution
The fourth proportional to 1,589,473,871.06, 2,384,029,189.88 and 425,033,167.92 is: 637,501,186.67
Step by Step Solution
- Step 1: Write the proportion equation
1,589,473,871.06 : 2,384,029,189.88 = 425,033,167.92 : x - Step 2: Convert to fraction form
1,589,473,871.06/2,384,029,189.88 = 425,033,167.92/x - Step 3: Cross multiply
1,589,473,871.06x = 2,384,029,189.88 × 425,033,167.92 - Step 4: Simplify right side
1,589,473,871.06x = 1,013,291,478,988,447,744 - Step 5: Solve for x
x = 1,013,291,478,988,447,744/1,589,473,871.06 - Step 6: Final answer
x = 637,501,186.67
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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.