Finding the Fourth Proportional to 768,505,854.99, 1,151,551,678.77 and 594,056,344.53
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Solution
The fourth proportional to 768,505,854.99, 1,151,551,678.77 and 594,056,344.53 is: 890,151,423.55
Step by Step Solution
- Step 1: Write the proportion equation
768,505,854.99 : 1,151,551,678.77 = 594,056,344.53 : x - Step 2: Convert to fraction form
768,505,854.99/1,151,551,678.77 = 594,056,344.53/x - Step 3: Cross multiply
768,505,854.99x = 1,151,551,678.77 × 594,056,344.53 - Step 4: Simplify right side
768,505,854.99x = 684,086,580,827,490,944 - Step 5: Solve for x
x = 684,086,580,827,490,944/768,505,854.99 - Step 6: Final answer
x = 890,151,423.55
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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.