Finding the Fourth Proportional to 539,283,836.14, 744,725,674.83 and 509,904,026.94
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Solution
The fourth proportional to 539,283,836.14, 744,725,674.83 and 509,904,026.94 is: 704,153,536.82
Step by Step Solution
- Step 1: Write the proportion equation
539,283,836.14 : 744,725,674.83 = 509,904,026.94 : x - Step 2: Convert to fraction form
539,283,836.14/744,725,674.83 = 509,904,026.94/x - Step 3: Cross multiply
539,283,836.14x = 744,725,674.83 × 509,904,026.94 - Step 4: Simplify right side
539,283,836.14x = 379,738,620,566,138,752 - Step 5: Solve for x
x = 379,738,620,566,138,752/539,283,836.14 - Step 6: Final answer
x = 704,153,536.82
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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.