Finding the Fourth Proportional to 1,051,352,114.40, 1,577,136,344.40 and 396,854,419.68
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Solution
The fourth proportional to 1,051,352,114.40, 1,577,136,344.40 and 396,854,419.68 is: 595,322,461.56
Step by Step Solution
- Step 1: Write the proportion equation
1,051,352,114.40 : 1,577,136,344.40 = 396,854,419.68 : x - Step 2: Convert to fraction form
1,051,352,114.40/1,577,136,344.40 = 396,854,419.68/x - Step 3: Cross multiply
1,051,352,114.40x = 1,577,136,344.40 × 396,854,419.68 - Step 4: Simplify right side
1,051,352,114.40x = 625,893,528,713,098,624 - Step 5: Solve for x
x = 625,893,528,713,098,624/1,051,352,114.40 - Step 6: Final answer
x = 595,322,461.56
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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.