Finding the Fourth Proportional to 2,868,575,748, 3,958,530,020.10 and 1,598,351,101.44
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Solution
The fourth proportional to 2,868,575,748, 3,958,530,020.10 and 1,598,351,101.44 is: 2,205,666,286.53
Step by Step Solution
- Step 1: Write the proportion equation
2,868,575,748 : 3,958,530,020.10 = 1,598,351,101.44 : x - Step 2: Convert to fraction form
2,868,575,748/3,958,530,020.10 = 1,598,351,101.44/x - Step 3: Cross multiply
2,868,575,748x = 3,958,530,020.10 × 1,598,351,101.44 - Step 4: Simplify right side
2,868,575,748x = 6,327,120,817,710,140,416 - Step 5: Solve for x
x = 6,327,120,817,710,140,416/2,868,575,748 - Step 6: Final answer
x = 2,205,666,286.53
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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.