Finding the Fourth Proportional to 514,651,214.74, 710,224,161.70 and 279,701,887.54
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Solution
The fourth proportional to 514,651,214.74, 710,224,161.70 and 279,701,887.54 is: 385,991,585.98
Step by Step Solution
- Step 1: Write the proportion equation
514,651,214.74 : 710,224,161.70 = 279,701,887.54 : x - Step 2: Convert to fraction form
514,651,214.74/710,224,161.70 = 279,701,887.54/x - Step 3: Cross multiply
514,651,214.74x = 710,224,161.70 × 279,701,887.54 - Step 4: Simplify right side
514,651,214.74x = 198,651,038,604,004,192 - Step 5: Solve for x
x = 198,651,038,604,004,192/514,651,214.74 - Step 6: Final answer
x = 385,991,585.98
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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.