Finding the Fourth Proportional to 473,293,018.76, 709,716,083.63 and 276,612,855.57
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Solution
The fourth proportional to 473,293,018.76, 709,716,083.63 and 276,612,855.57 is: 414,788,692.75
Step by Step Solution
- Step 1: Write the proportion equation
473,293,018.76 : 709,716,083.63 = 276,612,855.57 : x - Step 2: Convert to fraction form
473,293,018.76/709,716,083.63 = 276,612,855.57/x - Step 3: Cross multiply
473,293,018.76x = 709,716,083.63 × 276,612,855.57 - Step 4: Simplify right side
473,293,018.76x = 196,316,592,535,468,160 - Step 5: Solve for x
x = 196,316,592,535,468,160/473,293,018.76 - Step 6: Final answer
x = 414,788,692.75
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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.