Finding the Fourth Proportional to 824,448,323.93, 1,137,733,380.35 and 472,092,415.99
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Solution
The fourth proportional to 824,448,323.93, 1,137,733,380.35 and 472,092,415.99 is: 651,484,495.39
Step by Step Solution
- Step 1: Write the proportion equation
824,448,323.93 : 1,137,733,380.35 = 472,092,415.99 : x - Step 2: Convert to fraction form
824,448,323.93/1,137,733,380.35 = 472,092,415.99/x - Step 3: Cross multiply
824,448,323.93x = 1,137,733,380.35 × 472,092,415.99 - Step 4: Simplify right side
824,448,323.93x = 537,115,300,288,459,904 - Step 5: Solve for x
x = 537,115,300,288,459,904/824,448,323.93 - Step 6: Final answer
x = 651,484,495.39
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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.