Finding the Fourth Proportional to 468,775,506.99, 703,094,813.67 and 136,693,280.43
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Solution
The fourth proportional to 468,775,506.99, 703,094,813.67 and 136,693,280.43 is: 205,019,961.80
Step by Step Solution
- Step 1: Write the proportion equation
468,775,506.99 : 703,094,813.67 = 136,693,280.43 : x - Step 2: Convert to fraction form
468,775,506.99/703,094,813.67 = 136,693,280.43/x - Step 3: Cross multiply
468,775,506.99x = 703,094,813.67 × 136,693,280.43 - Step 4: Simplify right side
468,775,506.99x = 96,108,336,533,871,904 - Step 5: Solve for x
x = 96,108,336,533,871,904/468,775,506.99 - Step 6: Final answer
x = 205,019,961.80
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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.