Finding the Fourth Proportional to 746,690,675.12, 1,030,433,188.36 and 412,163,276.72
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Solution
The fourth proportional to 746,690,675.12, 1,030,433,188.36 and 412,163,276.72 is: 568,785,353.17
Step by Step Solution
- Step 1: Write the proportion equation
746,690,675.12 : 1,030,433,188.36 = 412,163,276.72 : x - Step 2: Convert to fraction form
746,690,675.12/1,030,433,188.36 = 412,163,276.72/x - Step 3: Cross multiply
746,690,675.12x = 1,030,433,188.36 × 412,163,276.72 - Step 4: Simplify right side
746,690,675.12x = 424,706,719,355,494,592 - Step 5: Solve for x
x = 424,706,719,355,494,592/746,690,675.12 - Step 6: Final answer
x = 568,785,353.17
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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.