Finding the Fourth Proportional to 345,341,357,511.68, 476,539,091,342.77 and 191,013,715,476.61
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Solution
The fourth proportional to 345,341,357,511.68, 476,539,091,342.77 and 191,013,715,476.61 is: 263,581,237,599.53
Step by Step Solution
- Step 1: Write the proportion equation
345,341,357,511.68 : 476,539,091,342.77 = 191,013,715,476.61 : x - Step 2: Convert to fraction form
345,341,357,511.68/476,539,091,342.77 = 191,013,715,476.61/x - Step 3: Cross multiply
345,341,357,511.68x = 476,539,091,342.77 × 191,013,715,476.61 - Step 4: Simplify right side
345,341,357,511.68x = 91,025,502,407,230,127,865,856 - Step 5: Solve for x
x = 91,025,502,407,230,127,865,856/345,341,357,511.68 - Step 6: Final answer
x = 263,581,237,599.53
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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.