Finding the Fourth Proportional to 647,690,874.52, 971,539,135.08 and 205,035,720.28
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Solution
The fourth proportional to 647,690,874.52, 971,539,135.08 and 205,035,720.28 is: 307,554,474.18
Step by Step Solution
- Step 1: Write the proportion equation
647,690,874.52 : 971,539,135.08 = 205,035,720.28 : x - Step 2: Convert to fraction form
647,690,874.52/971,539,135.08 = 205,035,720.28/x - Step 3: Cross multiply
647,690,874.52x = 971,539,135.08 × 205,035,720.28 - Step 4: Simplify right side
647,690,874.52x = 199,200,226,341,336,032 - Step 5: Solve for x
x = 199,200,226,341,336,032/647,690,874.52 - Step 6: Final answer
x = 307,554,474.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.