Finding the Fourth Proportional to 609,444,865.30, 914,167,297.95 and 425,778,855.70
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Solution
The fourth proportional to 609,444,865.30, 914,167,297.95 and 425,778,855.70 is: 638,668,283.55
Step by Step Solution
- Step 1: Write the proportion equation
609,444,865.30 : 914,167,297.95 = 425,778,855.70 : x - Step 2: Convert to fraction form
609,444,865.30/914,167,297.95 = 425,778,855.70/x - Step 3: Cross multiply
609,444,865.30x = 914,167,297.95 × 425,778,855.70 - Step 4: Simplify right side
609,444,865.30x = 389,233,106,039,511,936 - Step 5: Solve for x
x = 389,233,106,039,511,936/609,444,865.30 - Step 6: Final answer
x = 638,668,283.55
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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.