Finding the Fourth Proportional to 697,824,569.08, 962,998,105.45 and 380,284,904.09
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Solution
The fourth proportional to 697,824,569.08, 962,998,105.45 and 380,284,904.09 is: 524,793,276.70
Step by Step Solution
- Step 1: Write the proportion equation
697,824,569.08 : 962,998,105.45 = 380,284,904.09 : x - Step 2: Convert to fraction form
697,824,569.08/962,998,105.45 = 380,284,904.09/x - Step 3: Cross multiply
697,824,569.08x = 962,998,105.45 × 380,284,904.09 - Step 4: Simplify right side
697,824,569.08x = 366,213,642,169,904,960 - Step 5: Solve for x
x = 366,213,642,169,904,960/697,824,569.08 - Step 6: Final answer
x = 524,793,276.70
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1.5x scale
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.