Finding the Fourth Proportional to 756,337,854.63, 1,043,746,241.39 and 408,657,342.63
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Solution
The fourth proportional to 756,337,854.63, 1,043,746,241.39 and 408,657,342.63 is: 563,947,133.91
Step by Step Solution
- Step 1: Write the proportion equation
756,337,854.63 : 1,043,746,241.39 = 408,657,342.63 : x - Step 2: Convert to fraction form
756,337,854.63/1,043,746,241.39 = 408,657,342.63/x - Step 3: Cross multiply
756,337,854.63x = 1,043,746,241.39 × 408,657,342.63 - Step 4: Simplify right side
756,337,854.63x = 426,534,565,384,444,608 - Step 5: Solve for x
x = 426,534,565,384,444,608/756,337,854.63 - Step 6: Final answer
x = 563,947,133.91
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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.